Climate Insights for Barnhart

Teton County, Missouri, United States

Hottest
July
31°C peak
Coldest
January
-3°C low
Wettest
May
128mm rain
Best to Visit
June, September, October
Mild temps & low rain

Climate Overview

The climate in Barnhart is temperate. The average annual temperature is 14°C and approximately 1147mm of precipitation falls per year. Barnhart receives a notable amount of rainfall throughout the year, including during its driest month. Barnhart is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -3°C. Light snow can occur between January and December.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 5° Average: 1° Min: -3° Feb Max: 9° Average: 3° Min: -2° Mar Max: 15° Average: 9° Min: 4° Apr Max: 20° Average: 14° Min: 9° May Max: 25° Average: 20° Min: 15° Jun Max: 30° Average: 25° Min: 20° Jul Max: 31° Average: 26° Min: 22° Aug Max: 30° Average: 25° Min: 20° Sep Max: 28° Average: 22° Min: 17° Oct Max: 21° Average: 15° Min: 10° Nov Max: 14° Average: 8° Min: 4° Dec Max: 9° Average: 4° Min: 0°
Max
Average
Min

Temperatures in Barnhart vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 26°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 75mm Snow: 9mm Feb Precipitation: 69mm Snow: 11mm Mar Precipitation: 122mm Snow: 2mm Apr Precipitation: 123mm Snow: 1mm May Precipitation: 128mm Snow: 0mm Jun Precipitation: 87mm Snow: 0mm Jul Precipitation: 120mm Snow: 0mm Aug Precipitation: 123mm Snow: 0mm Sep Precipitation: 68mm Snow: 0mm Oct Precipitation: 78mm Snow: 0mm Nov Precipitation: 78mm Snow: 2mm Dec Precipitation: 74mm Snow: 3mm
Precipitation
Snow

Barnhart is a moderately rainy area, receiving approximately 1147mm of precipitation annually, which averages out to around 96mm per month. The wettest month is May, averaging 128mm of rainfall. August and April also tend to see above-average precipitation. The driest month is September, with just 68mm. That's 60mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 28cm annually. February is the snowiest month with approximately 11cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 17km/h Feb Wind Speed: 18km/h Mar Wind Speed: 18km/h Apr Wind Speed: 19km/h May Wind Speed: 16km/h Jun Wind Speed: 14km/h Jul Wind Speed: 12km/h Aug Wind Speed: 12km/h Sep Wind Speed: 13km/h Oct Wind Speed: 16km/h Nov Wind Speed: 17km/h Dec Wind Speed: 17km/h
Wind Speed

Barnhart is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 18km/h in spring, 13km/h in summer, 15km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

2 days until Spring

It is currently winter in Barnhart, which began on December 21, 2026. Barnhart is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 31°C, while the coldest stretch bottoms out in January near -3°C. Spring is next, beginning on March 20, 2026 — 2 days from now.

Spring

Temperatures range from 4 to 25°C. Rainfall is heavy, totalling around 373mm across the season with a monthly average of 124mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 20 to 31°C. Rainfall is heavy, totalling around 331mm across the season with a monthly average of 110mm. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 4 to 28°C. Precipitation is moderate at around 225mm for the season, averaging 75mm per month. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -3 to 9°C. Precipitation is moderate at around 219mm for the season, averaging 73mm per month. Expect around 23cm of snow accumulation during this period. Winds are moderate at around 17km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan
Feb
Mar
Apr 14°
May 20°
Jun 25°
Jul 26°
Aug 25°
Sep 22°
Oct 15°
Nov
Dec

The best time to visit Barnhart is during June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 78mm per month. By contrast, July can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to -3°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Barnhart based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-3 °C
5 °C
17 km/h
75 mm
9 cm
Feb
-2 °C
9 °C
18 km/h
69 mm
11 cm
Mar Current
4 °C
15 °C
18 km/h
122 mm
2 cm
Apr
9 °C
20 °C
19 km/h
123 mm
1 cm
May
15 °C
25 °C
16 km/h
128 mm
0 cm
Jun
20 °C
30 °C
14 km/h
87 mm
0 cm
Jul
22 °C
31 °C
12 km/h
120 mm
0 cm
Aug
20 °C
30 °C
12 km/h
123 mm
0 cm
Sep
17 °C
28 °C
13 km/h
68 mm
0 cm
Oct
10 °C
21 °C
16 km/h
78 mm
0 cm
Nov
4 °C
14 °C
17 km/h
78 mm
2 cm
Dec
0 °C
9 °C
17 km/h
74 mm
3 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

en flag English
Metric (°C, km/h)