What is the hottest month in Valparaiso?

July is the warmest month in Valparaiso, with an average high of 82.9°F.

What is the coldest month in Valparaiso?

January is the coldest month in Valparaiso, with an average low of 17.6°F.

What month does Valparaiso get the most rain?

May is typically the wettest month in Valparaiso, with about 4.59 inches of precipitation.

What plant hardiness zone is Valparaiso in?

Valparaiso is approximately in USDA plant hardiness Zone 7a, based on the average annual extreme minimum temperature.

Valparaiso, IN

Climate overview — based on NOAA 1991-2020 normals from VALPARAISO WTR WKS, IN US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Valparaiso has an annual average temperature of 50.5°F with about 40.3 inches of precipitation per year and 40 inches of snow. The warmest month is July (average high 82.9°F), and the coldest is January (average low 17.6°F). May is typically the wettest month (4.59 in) and February the driest (2.24 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

48.2°F

warmest to coldest month

Heating need

5,784

HDD/yr

Cooling need

552

CDD/yr

Best time to visit Valparaiso

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Valparaiso'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		42
1900s		23
1910s		19
1920s		40
1930s		73
1940s		32
1950s		27
1960s		24
1970s		21
1980s		34
1990s		15
2000s		16

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	32.1°F	17.6°F	24.8°F	2.38 in	14.6 in	13
February	36.4°F	21.4°F	28.9°F	2.24 in	5.5 in	8
March	47.6°F	29.1°F	38.3°F	2.63 in	6.7 in	10
April	60.7°F	39.1°F	49.9°F	3.74 in	1.2 in	11
May	71.2°F	49.3°F	60.3°F	4.59 in	—	13
June	79.7°F	58.5°F	69.1°F	4.33 in	—	11
July	82.9°F	63.1°F	73.0°F	4.10 in	—	10
August	81.0°F	61.7°F	71.3°F	3.57 in	—	10
September	75.2°F	54.3°F	64.8°F	2.92 in	—	9
October	63.6°F	44.0°F	53.8°F	3.93 in	0.3 in	10
November	49.1°F	33.5°F	41.3°F	3.26 in	2.3 in	11
December	36.6°F	23.7°F	30.1°F	2.58 in	9.4 in	11