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Shenzhen July 2 Peak Temp: Will 34°C Hit?

Shenzhen July 2 Peak Temp: Will 34°C Hit?

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SR Sofia Renard Climate & Science Analyst
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Lines Verdict
NO at 65% implied probability

PLURALITY OUTCOME: 34°C is the central climatological band for Shenzhen in early July and holds the highest single-outcome probability. Market probability: 35%.

35% Market Probability
1h -1.0% 24h +3.5% Trend Weak (44/100)
Volume
$33.1K
$22.3K in 24h
Liquidity
$27.6K
Moderate depth
Time Left
18 hours
Resolves Jul 2
33K Vol. Jul 2, 2026

Shenzhen sits deep in a humid subtropical climate zone, and July is its most brutal month. The city’s peak temperatures regularly breach 33°C to 35°C during early July, driven by southwest monsoon flow and urban heat island effects. The market currently prices a 35% chance that July 2 peaks exactly at 34°C. That modest probability reflects a multi-outcome structure, not trader skepticism about summer heat.

This market asks: what is the highest temperature recorded in Shenzhen on July 2, 2026? The 34°C outcome is priced at 0.35 YES and 0.65 NO, with resolution set for 2026-07-02 at 12:00 UTC. Total volume sits at $33,134, with $22,349 traded in the last 24 hours.

How the Shenzhen Temperature Contract Works

This contract resolves YES if the highest temperature recorded in Shenzhen on July 2, 2026 lands exactly at 34°C. It resolves NO if any other temperature is recorded as the daily peak. The outcome depends on official meteorological observation for Shenzhen, which tracks the daily maximum under World Meteorological Organization station protocols.

  • YES (34°C peak): priced at 0.35, implying a 35% probability that July 2 closes exactly at this temperature band.
  • NO (any other outcome): priced at 0.65, covering every other outcome including 33°C, 35°C, 32°C, and the full range from 27°C or below to 37°C or higher.

The NO side wins across a wide spread of outcomes. A reading of 33°C pays NO. A reading of 35°C also pays NO. The meteorological window for any single band to resolve YES is narrow. Forecasters calling for temperatures anywhere outside 34°C effectively support the NO position, even if those forecasts show a hot day.

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Momentum and Market Signals

The momentum composite here is modest but directionally positive. The 24-hour price change of plus 4.5 percent, a flat 1-hour reading, and a trend score of 42.51 together suggest slow accumulation toward the 34°C outcome. The driver is almost certainly short-range weather model updates for Shenzhen on July 2, as numerical weather prediction models lock in tighter temperature bands within 48 to 72 hours of a forecast date.

Total volume is $33,134, with $22,349 of that arriving in the last 24 hours. Liquidity sits at $27,603. Volume is well below $1 million, which means this contract can reprice sharply on a single updated forecast or a concentrated trade. Thin liquidity amplifies single-model data releases more than deep markets do.

  • The 24h price move of plus 4.5 percent points to traders adjusting toward 34°C as short-range models narrow their peak temperature output for Shenzhen on July 2.
  • The trend score of 42.51 sits in a weak-positive range. This is not a market with strong directional conviction yet.
  • Volume of $22,349 in 24 hours against $27,603 in liquidity signals active but thin trading. A single large position would shift this price materially.
  • No whale trades are on record. Movement so far is retail-driven and small-lot.
  • Bearish trader sentiment (65% NO) reflects the structural reality that ten possible outcomes compete for probability mass.

Lines Analysis: Shenzhen Meteorology on July Two

The data doesn’t care about the politics, and in this case the meteorology is pretty clear about the baseline. Shenzhen’s mean daily maximum in early July runs between 33°C and 35°C historically, with 34°C sitting squarely in the center of that distribution. That central positioning is what makes 34°C the highest-probability single outcome in a ten-way market. It does not need to be the most likely absolute outcome. It just needs to be the most likely single band.

Here’s what the measurements are telling us: the competing outcomes on either side are real risks. A slight monsoon trough deepening could push the peak to 35°C or 36°C. A cloud cover event or rainfall could cap the day at 32°C or 33°C. The Japan Meteorological Agency and European Centre for Medium-Range Weather Forecasts both update Shenzhen-area forecasts daily. Any model run that centers on 33°C or 35°C would immediately erode YES probability and shift volume toward adjacent outcome contracts.

SIGNALS TO MONITOR:

  • ECMWF 48-hour deterministic forecast for Shenzhen: a peak temperature output centered on 34°C reinforces YES; anything 33°C or 35°C redirects probability mass.
  • Japan Meteorological Agency model updates: JMA has strong skill in South China Sea boundary conditions during monsoon season and often diverges from European models on exact peak values.
  • Tropical cyclone or monsoon trough activity in the South China Sea: a strengthening trough system could push afternoon convection earlier, capping the peak below 34°C.
  • Urban heat island and station-specific anomalies: Shenzhen’s official observing station sits in a built environment. Afternoon wind direction strongly influences whether the observed maximum is station-specific or regionally representative.
  • Any official Shenzhen Meteorological Bureau forecast update: a city-level forecast centered on 34°C is a direct pricing signal for this market.

The market is pricing uncertainty, not science. Total volume of $33,134 is thin for a weather outcome market resolving in under 48 hours. The 35% YES price on 34°C is consistent with a ten-outcome structure where the central band captures the plurality of probability. The data modestly favors the 34°C outcome as the single most likely bucket, but NO remains the structural leader because it aggregates nine other outcomes.

LINES VERDICT

34°C Is the Single Most Likely Outcome, But NO Holds the Edge

Shenzhen’s July climatology centers on the 34°C range, making this the plurality outcome in a multi-way market. The structural math still favors NO because nine competing temperature bands collectively cover more probability space.

What the market says: 35% implied probability for a 34°C peak on July 2. This reflects the central position of 34°C in Shenzhen’s July temperature distribution, not strong directional conviction. With resolution less than 24 hours away, this price will move sharply on the next ECMWF or JMA model run.

Key unknown: The next deterministic forecast update from ECMWF or JMA for Shenzhen on July 2 is the single most important data point. A center-of-range output at 34°C pushes YES higher. Any shift to 33°C or 35°C reallocates probability immediately.

Scientific Context: Shenzhen July Temperature Climatology

Shenzhen’s July climatology places mean daily maxima between 33°C and 35°C, with the city’s urban heat island adding one to two degrees above rural regional baselines. The 34°C band is historically the most common single-degree peak in early July observations. That base rate supports the 35% YES price in a roughly uniform ten-way distribution. A uniform ten-way split would assign each outcome roughly 10%. The 34°C premium above that baseline reflects its central climatological positioning. Events that would move price before July 2 resolution include any official weather service forecast update, a sudden tropical disturbance developing in the South China Sea, or an observed overnight temperature that constrains the following day’s maximum.

Frequently Asked Questions

It means traders assign a 35% chance that Shenzhen's official daily maximum on July 2 lands exactly at 34°C. Nine other temperature outcomes share the remaining 65% probability.

NO pays out if the Shenzhen peak on July 2 is anything other than 34°C. That includes 33°C, 35°C, or any other recorded high, giving NO a structural edge across nine alternative outcomes.

An ECMWF or JMA 48-hour deterministic forecast update centered on 34°C would push YES higher. A shift to 33°C or 35°C in the model output would immediately redirect probability to adjacent outcome contracts.

Resolution is set for July 2, 2026 at 12:00 UTC, based on official meteorological observation of Shenzhen's daily maximum temperature.

Total volume is $33,134, well below $1 million. Thin liquidity means a single concentrated trade or model update can shift the YES price sharply before resolution.

We aggregate the live positions of the top 50 Polymarket whales (ranked by 30-day tracked volume) into one composite reading per market. It refreshes every hour. The percentage shows how many of those whales hold YES versus NO; the net dollar position shows the cohort's directional exposure in dollars.

A convergence event fires when three or more tracked wallets buy the same outcome on the same market within a four-hour window. We surface these in the activity feed and the VIP digest.

No. Lines is an editorial and data product. We do not operate prediction markets, custody funds, or accept trades. All trade flows deep-link to Polymarket via our affiliate code. Probabilities shown are market-implied and not predictions or recommendations.

What Could Shift These Probabilities?

Models Lock In 34°C

The next ECMWF or JMA deterministic run centers Shenzhen's July 2 peak squarely on 34°C. Traders accumulate YES positions as forecast uncertainty collapses. With thin liquidity under $30,000, even modest buying pressure pushes the YES price well above 0.40 before resolution.

Models Shift to Adjacent Band

An updated weather model run places Shenzhen's July 2 peak at 33°C or 35°C. Traders rotate out of the 34°C outcome contract immediately. Given thin volume, even a small sell order drops YES price back toward 0.28, erasing the recent 24-hour gain entirely.

Overnight Temperatures Constrain Range

An unusually warm overnight low in Shenzhen on July 1 to 2 narrows the plausible daily maximum window to the 33°C to 35°C band. Traders concentrate probability on the central band. The 34°C outcome absorbs probability from both the high and low extremes as uncertainty compresses.

South China Sea Disturbance Develops

A fast-developing tropical disturbance in the South China Sea changes Shenzhen's wind field overnight. Early convection or a cloud shield caps afternoon heating below 32°C, sending probability mass to lower-temperature outcomes. The 34°C YES contract reprices sharply toward zero hours before resolution.

Key macro factor: Southwest monsoon intensity in early July 2026 is the dominant large-scale driver of Shenzhen's daily maximum, with a stronger monsoon trough typically bringing more cloud cover and lower peaks.

Market Timeline

Jun 30, 4:02 AM
Market Created
Jun 30, 4:03 AM
Market Opened
12:00 PM
Market Resolution

Market Comments

Probabilities shown are market-implied and not predictions or recommendations. This content is for informational purposes only.