Climate Insights for Buffalo

Johnson County, Wyoming, United States

Hottest
July
26°C peak
Coldest
February
-10°C low
Wettest
May
136mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Buffalo is cool. The average annual temperature is 6°C and approximately 866mm of precipitation falls per year. May is the wettest month, receiving around 136mm of rainfall. Buffalo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -10°C. Snowfall occurs from January to December, with around 198cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 1° Average: -4° Min: -9° Feb Max: 1° Average: -5° Min: -10° Mar Max: 7° Average: 0° Min: -5° Apr Max: 11° Average: 3° Min: -2° May Max: 15° Average: 9° Min: 3° Jun Max: 23° Average: 15° Min: 9° Jul Max: 26° Average: 19° Min: 12° Aug Max: 26° Average: 18° Min: 11° Sep Max: 22° Average: 14° Min: 7° Oct Max: 13° Average: 6° Min: 1° Nov Max: 6° Average: 0° Min: -5° Dec Max: 2° Average: -4° Min: -8°
Max
Average
Min

Buffalo has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 19°C. The coldest month is February, when overnight lows fall to -10°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°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: 27mm Snow: 19mm Feb Precipitation: 43mm Snow: 30mm Mar Precipitation: 63mm Snow: 35mm Apr Precipitation: 91mm Snow: 36mm May Precipitation: 136mm Snow: 13mm Jun Precipitation: 134mm Snow: 0mm Jul Precipitation: 97mm Snow: 0mm Aug Precipitation: 74mm Snow: 0mm Sep Precipitation: 72mm Snow: 4mm Oct Precipitation: 67mm Snow: 21mm Nov Precipitation: 36mm Snow: 22mm Dec Precipitation: 26mm Snow: 18mm
Precipitation
Snow

Buffalo is a moderately rainy area, receiving approximately 866mm of precipitation annually, which averages out to around 72mm per month. The wettest month is May, averaging 136mm of rainfall. June and July also tend to see above-average precipitation. The driest month is December, with just 26mm. That's 110mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 198cm accumulating over the season. April typically sees the most snow at around 36cm.

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: 14km/h Feb Wind Speed: 15km/h Mar Wind Speed: 15km/h Apr Wind Speed: 18km/h May Wind Speed: 16km/h Jun Wind Speed: 15km/h Jul Wind Speed: 14km/h Aug Wind Speed: 13km/h Sep Wind Speed: 14km/h Oct Wind Speed: 14km/h Nov Wind Speed: 14km/h Dec Wind Speed: 15km/h
Wind Speed

Buffalo is mildly breezy, with an average annual wind speed of 15km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

Seasons

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

93 days until Summer

It is currently spring in Buffalo, which began on March 20, 2026. Buffalo 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 26°C, while the coldest stretch bottoms out in February near -10°C. Summer is next, beginning on June 21, 2026 — 93 days from now.

Spring

Temperatures range from -5 to 15°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Winds are moderate at around 16km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 9 to 26°C. Rainfall is heavy, totalling around 305mm across the season with a monthly average of 102mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -5 to 22°C. Precipitation is moderate at around 176mm for the season, averaging 59mm per month. Expect around 47cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -10 to 2°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Expect around 67cm of snow accumulation during this period. Winds are generally light, averaging 15km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -4°
Feb -5°
Mar
Apr
May
Jun 15°
Jul 19°
Aug 18°
Sep 14°
Oct
Nov
Dec -4°

The best time to visit Buffalo is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 86mm per month. By contrast, February can be quite cold with temperatures dropping to -10°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 Buffalo 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
-9 °C
1 °C
14 km/h
27 mm
19 cm
Feb
-10 °C
1 °C
15 km/h
43 mm
30 cm
Mar Current
-5 °C
7 °C
15 km/h
63 mm
35 cm
Apr
-2 °C
11 °C
18 km/h
91 mm
36 cm
May
3 °C
15 °C
16 km/h
136 mm
13 cm
Jun
9 °C
23 °C
15 km/h
134 mm
0 cm
Jul
12 °C
26 °C
14 km/h
97 mm
0 cm
Aug
11 °C
26 °C
13 km/h
74 mm
0 cm
Sep
7 °C
22 °C
14 km/h
72 mm
4 cm
Oct
1 °C
13 °C
14 km/h
67 mm
21 cm
Nov
-5 °C
6 °C
14 km/h
36 mm
22 cm
Dec
-8 °C
2 °C
15 km/h
26 mm
18 cm
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Metric (°C, km/h)