Missouri has an average annual temperature of
55°F
(across all 17 cities) with approximately
1043 mm of annual precipitation
and average humidity of 76%.
The warmest city is Jefferson City
with average July highs of 99.7°F,
while Saint Joseph
is the coldest with average January lows of -1.7°F.
This page covers 45 years of NASA POWER climate data (1981–2025)
including temperature, rainfall, humidity, wind speed, and solar radiation.
Aug is typically the warmest month across Missouri with average highs around
99°F, while
Jan is the coldest with average lows near
1.8°F.
May is the wettest month with approximately
130 mm of rainfall on average.
Month
Max Temp
Min Temp
Avg Temp
Rain (mm)
Humidity
Wind (m/s)
Solar (kWh/m²)
Jan
57.6°F
1.8°F
29.7°F
50
83%
2.9
2.10
Feb
65.3°F
5.5°F
35.4°F
50
80%
2.9
2.90
Mar
74.5°F
17.1°F
45.9°F
81
77%
3.0
3.90
Apr
80.8°F
27°F
54°F
108
75%
2.9
5.00
May
85.5°F
39.7°F
62.6°F
130
77%
2.3
5.60
Jun
92.3°F
51.6°F
72°F
117
76%
2.0
6.30
Jul
97.7°F
58.5°F
78.1°F
109
72%
1.8
6.30
Aug
99°F
55.9°F
77.5°F
96
68%
1.8
5.60
Sep
93.7°F
43°F
68.4°F
90
68%
2.0
4.70
Oct
85.1°F
29.7°F
57.4°F
87
71%
2.3
3.50
Nov
72.3°F
19.2°F
45.9°F
78
77%
2.5
2.40
Dec
61.9°F
7.2°F
34.5°F
62
83%
2.6
1.90
📈 Missouri Yearly Climate Trends
🌡️ Annual Temperature Trend
State-wide avg annual high & low · Last 10 years
📈 Missouri Long-Term Climate Trends (1981–2025)
This chart shows how Missouri's average temperatures have shifted across 45 years.
Use the range buttons to focus on recent decades or view the full historical record.
Data is averaged across all 17 cities in the state.
🌧️ Annual Precipitation Trend
State-wide avg annual precipitation · Last 10 years · mm/year
🔗 Explore Cities in Missouri
Browse detailed weather history, monthly averages, and 45-year climate trends for every city in Missouri.
Springfield is the wettest city in Missouri with approximately 1166 mm of annual precipitation on average. View Springfield weather history →
What is the warmest month in Missouri?▼
Aug is the warmest month across Missouri, with state-wide average highs of 99°F and average lows of 55.9°F.
How many cities in Missouri have weather data?▼
TownPillar has historical weather data for 17 cities in Missouri, covering 45 years of NASA POWER climate records from 1981 to 2025.
Which month has the most sunshine in Missouri?▼
Jul is the sunniest month across Missouri with an average solar radiation of 6.30 kWh/m²/day state-wide. This solar radiation data from NASA POWER is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability.
Where does this climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation at 0.5° × 0.625° spatial resolution.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources). Data covers 45 years (1981–2025) across 17 cities in Missouri at monthly temporal resolution.