Bloomington Weather in July (1981–2025)

📍 40.47°N, 88.98°W •
📊

July at a Glance in Bloomington

(1981–2025)
Avg High
🔥
28.6°C
Avg Low
❄️
18.2°C
Avg Temp
🌡️
23.4°C
Avg Rain
🌧️
105 mm
Avg Humidity
💧
76%
Avg Wind
🌬️
2.2 m/s
Avg Solar
☀️
6.2
kWh/m²/day
vs Annual
📈
+12.8°C
temp difference
🌡️Warm afternoons🌤️Mild mornings☀️Very sunny🌧️Wet month🍃Light winds💦Humid air

Bloomington July Weather Overview

July is one of the warmer months of the year in Bloomington, with average highs near 28.6°C and lows around 18.2°C (mean 23.4°C). It is a relatively wet time of year, averaging 105 mm of rainfall and 76% relative humidity across the period.

Bloomington July Temperature History (1981–2025)

Range

July is one of the warmer months of the year in Bloomington. Across 45 years of records, the warmest July in Bloomington was 2012 — when the month averaged 29.2°C — while the coldest was 2009 at 20.2°C. Typical July days reach 28.6°C with nights near 18.2°C. The long-term trend is warming, about 0.2°C per decade.

1981–1985 vs 2021–2025

Avg Temp22.4°C→23.9°C+1.5°C
Max Temp27.3°C→29.1°C+1.8°C
Min Temp17.4°C→18.7°C+1.3°C

Trend (per decade)

Avg Temp+0.2°C/decade ↗
Max Temp+0.1°C/decade ↗
Min Temp+0.2°C/decade ↗

Distribution of Avg Temp

20.0°C–22.5°C12 yr (27%)
22.5°C–25.0°C26 yr (58%)
25.0°C–27.5°C6 yr (13%)
27.5°C–30.0°C1 yr (2%)

Bloomington July Rainfall History (1981–2025)

Range

July is a relatively wet time of year in Bloomington, averaging 105 mm of rainfall. The wettest July on record was 1992 with 288 mm, while the driest was 2012 at 25 mm.

Bloomington July Humidity History (1981–2025)

Range

Relative humidity in Bloomington during July averages 76%. The most humid July was 1993 at 87%, and the least humid was 2012 at 49%.

Bloomington July Solar History (1981–2025)

Range

July receives about 6.2 kWh/m²/day of solar energy in Bloomington. The sunniest Julys were 1999, 2007 and 2019 at 6.7 kWh/m²/day, and the cloudiest was 1992 at 4.7.

Bloomington July Wind History (1981–2025)

Range

Average wind speed in Bloomington during July is 2.2 m/s. The windiest July was 1990 at 2.6 m/s, while the calmest were 1998, 2011 and 2023 at 1.9 m/s.

What July Feels Like in Bloomington

🌅
Mild
Morning
🌞
Warm
Afternoon
🌆
Mild
Evening
Rain chanceHigh
Outdoor comfort★★★★☆

How July Ranks in Bloomington

🔥1st warmest month of the year
🌧️3rd wettest month of the year
☀️2nd sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Bloomington Weather by Month

Bloomington July Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp23.6°C22.7°C23.2°C23.8°C23.9°C+0.3°C
Avg High28.9°C27.9°C28.8°C28.8°C29.1°C+0.2°C
Avg Low18.3°C17.6°C17.8°C18.7°C18.8°C+0.5°C
Avg Rain98 mm110 mm108 mm89 mm127 mm+29 mm

Extreme July Records in Bloomington

🔥Warmest July41.6°C2012
🧊Coldest July8.4°C1983
🌧️Wettest July288 mm1992
🏜️Driest July25 mm2012
🌬️Windiest July2.6 m/s1990

Key Insights for July

✅

July temperatures in Bloomington have risen by about 1.5°C between 1981–1985 and 2021–2025.

✅

July has ranged from a record low of 8.4°C (1983) to a record high of 41.6°C (2012).

✅

Rainfall in July is a relatively wet time of year, averaging 105 mm, with a wettest year of 288 mm.

Is July a Good Time to Visit Bloomington?

One of the best times to visit Bloomington

July is one of the best times to visit Bloomington. Expect days averaging 28.6°C and nights around 18.2°C (mean 23.4°C) — warmer than Bloomington's yearly average — with higher rainfall (105 mm), so conditions are generally comfortable for sightseeing and outdoor plans.

See Bloomington's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Bloomington Weather in July — In Depth

☀️ July climate overview

July is one of the warmer months of the year in Bloomington, with average highs near 28.6°C and lows around 18.2°C (mean 23.4°C). It is a relatively wet time of year, averaging 105 mm of rainfall and 76% relative humidity across the period.

🌧️ Rain, humidity & wind in July

July averages 105 mm of rainfall in Bloomington, a relatively wet time of year compared with the rest of the year. The wettest July on record saw 288 mm (1992), and the driest just 25 mm (2012). Humidity sits around 76% and average wind speed is 2.2 m/s, with solar radiation averaging 6.2 kWh/m²/day.

📈 How July has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.5°C. Daytime highs moved from 27.3°C to 29.1°C and overnight lows from 17.4°C to 18.7°C over the same span.
July Weather in Bloomington, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202530.1°C25.3°C20.6°C33.0°C16.0°C137 mm78%2 m/s5.8
202428.4°C23.2°C18.0°C32.0°C10.5°C158 mm75%2 m/s6.1
202330.1°C24.3°C18.5°C37.2°C14.0°C133 mm69%1.9 m/s6.5
202229.6°C24.0°C18.4°C34.0°C14.2°C115 mm74%2.3 m/s5.9
202127.5°C22.6°C17.8°C30.9°C12.1°C90 mm81%2.1 m/s5.5
202028.8°C24.0°C19.2°C31.8°C15.7°C130 mm80%2 m/s6.5
201928.7°C24.0°C19.4°C31.8°C13.1°C74 mm83%2.1 m/s6.7
201828.1°C22.9°C17.7°C31.5°C12.7°C87 mm78%2.3 m/s6.4
201728.7°C23.5°C18.3°C32.2°C12.9°C101 mm78%2.1 m/s6.5
201627.6°C23.4°C19.2°C30.0°C11.8°C180 mm84%2 m/s6
201527.1°C22.4°C17.7°C31.9°C11.4°C134 mm83%2.1 m/s5.7
201425.7°C20.5°C15.3°C29.7°C11.0°C70 mm76%2.4 m/s6.5
201326.5°C21.7°C16.9°C31.5°C9.6°C56 mm81%2.2 m/s6
2012 🔥36.4°C29.2°C21.9°C41.6°C17.3°C25 mm49%2.3 m/s6.5
201130.2°C25.7°C21.1°C33.9°C15.4°C72 mm81%1.9 m/s6.5
201028.9°C24.3°C19.7°C31.2°C12.1°C94 mm82%2.2 m/s6.3
2009 ❄️25.0°C20.2°C15.5°C27.9°C11.1°C115 mm81%2.2 m/s5.8
200827.4°C22.4°C17.4°C30.0°C12.1°C158 mm83%2.3 m/s6.5
200727.4°C21.8°C16.3°C30.9°C11.3°C92 mm75%2.2 m/s6.7
200631.2°C25.4°C19.5°C36.4°C12.3°C115 mm70%2.4 m/s6.2
200532.4°C25.6°C18.8°C40.1°C13.4°C78 mm61%2.3 m/s6.4
200427.5°C22.5°C17.6°C31.5°C12.4°C93 mm78%2.3 m/s5.8
200329.0°C23.3°C17.7°C36.0°C12.6°C165 mm72%2.5 m/s6.5
200229.4°C24.4°C19.3°C33.0°C13.1°C90 mm76%2.1 m/s6.5
200130.0°C24.2°C18.4°C35.0°C9.2°C88 mm70%2 m/s6.3
200028.3°C22.6°C17.0°C31.3°C11.1°C87 mm74%2.3 m/s6
199929.9°C24.7°C19.6°C36.3°C10.4°C77 mm76%2.4 m/s6.7
199827.6°C22.8°C18.0°C31.9°C12.4°C78 mm80%1.9 m/s6.3
199730.6°C24.1°C17.7°C37.7°C10.7°C48 mm67%2.5 m/s6.4
199626.5°C20.8°C15.2°C32.7°C10.2°C115 mm75%2.4 m/s6.1
199527.7°C23.1°C18.5°C31.6°C10.9°C68 mm81%2.1 m/s6.6
199427.1°C22.1°C17.2°C30.3°C12.0°C71 mm80%2.3 m/s5.9
199327.4°C23.4°C19.3°C30.7°C15.2°C183 mm87%2.5 m/s5.2
1992 🌧️26.2°C21.4°C16.6°C30.5°C12.4°C288 mm83%2.5 m/s4.7
199129.5°C23.7°C17.9°C35.5°C12.8°C44 mm69%2.3 m/s6.6
199026.2°C21.3°C16.4°C31.7°C12.3°C132 mm82%2.6 m/s5.8
198930.2°C24.4°C18.5°C36.2°C15.0°C81 mm70%2.4 m/s5.8
198834.3°C26.9°C19.6°C40.6°C10.8°C30 mm50%2.1 m/s6.2
198731.0°C25.5°C20.0°C35.6°C12.0°C83 mm72%2.4 m/s5.9
198628.3°C23.7°C19.1°C31.5°C13.7°C133 mm82%2.3 m/s6.3
198527.1°C21.8°C16.4°C31.2°C10.2°C99 mm75%2.3 m/s5.8
198426.2°C20.9°C15.5°C31.2°C9.9°C90 mm78%2.2 m/s6.2
198328.8°C24.1°C19.3°C34.4°C8.4°C34 mm79%2.3 m/s—
198227.4°C22.8°C18.2°C30.8°C13.9°C150 mm83%2.4 m/s—
198127.1°C22.5°C17.8°C31.9°C11.3°C188 mm83%2.2 m/s—

Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.

Other Cities in Illinois

Bloomington July Weather — FAQ

What is the average temperature in Bloomington in July?▼

The average high in July is around 28.6°C with lows near 18.2°C (mean 23.4°C), based on 45 years of NASA POWER data.

Does it rain a lot in Bloomington in July?▼

July averages 105 mm of rainfall in Bloomington, a relatively wet time of year. The wettest on record was 288 mm in 1992.

What was the hottest July on record in Bloomington?▼

The hottest July reached 41.6°C in 2012. The coldest dipped to 8.4°C in 1983.

Has July in Bloomington gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.5°C. Daytime highs moved from 27.3°C to 29.1°C and overnight lows from 17.4°C to 18.7°C over the same span.

Is July a good time to visit Bloomington?▼

July is one of the warmer months of the year in Bloomington and a relatively wet time of year, so plan for around 28.6°C daytime highs and 18.2°C at night.

Is July the coldest month in Bloomington?▼

Not quite — July is the 12th coolest month in Bloomington, averaging 23.4°C.

What should I pack for Bloomington in July?▼

For July in Bloomington, pack light layers you can adjust through the day, with typical highs of 28.6°C and lows of 18.2°C. Bring an umbrella or light rain jacket too.

Is Bloomington humid in July?▼

Relative humidity in July averages 76% — quite humid.

How windy is Bloomington in July?▼

Average wind speed in July is 2.2 m/s. The windiest July on record averaged 2.6 m/s (1990).

Which July had the most rainfall in Bloomington?▼

The wettest July on record was 1992 with 288 mm. On average, July sees 105 mm.

Where does this July weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Illinois cities

Explore how the weather in Bloomington behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.