What is the hottest month in Belle Rive?

July is the warmest month in Belle Rive, with an average high of 85.7°F.

What is the coldest month in Belle Rive?

January is the coldest month in Belle Rive, with an average low of 21.7°F.

What month does Belle Rive get the most rain?

May is typically the wettest month in Belle Rive, with about 5.06 inches of precipitation.

What plant hardiness zone is Belle Rive in?

Belle Rive is approximately in USDA plant hardiness Zone 7b, based on the average annual extreme minimum temperature.

Belle Rive, IL

Climate overview — based on NOAA 1991-2020 normals from MT VERNON 3 NE, IL US.

Dfa Hot-summer humid continental climate 7b USDA hardiness Zone 7b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Belle Rive has an annual average temperature of 54.5°F with about 45 inches of precipitation per year and 10.4 inches of snow. The warmest month is July (average high 85.7°F), and the coldest is January (average low 21.7°F). May is typically the wettest month (5.06 in) and January the driest (2.60 in). Snow typically falls from October through March.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

46.4°F

warmest to coldest month

Heating need

4,752

HDD/yr

Cooling need

963

CDD/yr

Best time to visit Belle Rive

Full guide →

Climate change signal

All-time records →

22 of 366 (6%) of Belle Rive's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s		23
1900s		38
1910s		55
1920s		22
1930s		82
1940s		55
1950s		19
1960s		19
1970s		13
1980s		10
1990s		2
2000s		5
2010s		8
2020s		15

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month	Avg High	Avg Low	Avg Temp	Precipitation	Snow	Rainy days
January	38.5°F	21.7°F	30.1°F	2.60 in	3.2 in	9
February	43.6°F	25.0°F	34.3°F	2.62 in	3.1 in	8
March	53.6°F	33.8°F	43.7°F	4.00 in	1.0 in	11
April	64.9°F	44.1°F	54.5°F	4.96 in	—	11
May	73.8°F	55.0°F	64.4°F	5.06 in	—	13
June	82.4°F	63.7°F	73.1°F	4.84 in	—	10
July	85.7°F	67.3°F	76.5°F	3.78 in	—	9
August	84.8°F	64.8°F	74.8°F	3.33 in	—	8
September	78.6°F	56.7°F	67.7°F	3.37 in	—	8
October	67.5°F	44.7°F	56.1°F	3.53 in	0.2 in	9
November	53.7°F	34.2°F	44.0°F	3.99 in	0.4 in	9
December	42.9°F	26.1°F	34.5°F	2.89 in	2.5 in	10