Climate Insights for Hill Airport

Whitman County, Washington, United States

Hottest
August
31°C peak
Coldest
December
-3°C low
Wettest
February
92mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Hill Airport is temperate. The average annual temperature is 10°C and approximately 677mm of precipitation falls per year. February is the wettest month, receiving around 92mm of rainfall. Hill Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are December, January, February, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 148cm accumulating over the season.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 3° Average: 0° Min: -3° Feb Max: 5° Average: 1° Min: -2° Mar Max: 10° Average: 5° Min: 0° Apr Max: 16° Average: 10° Min: 5° May Max: 21° Average: 15° Min: 9° Jun Max: 25° Average: 18° Min: 11° Jul Max: 30° Average: 23° Min: 15° Aug Max: 31° Average: 23° Min: 15° Sep Max: 24° Average: 17° Min: 11° Oct Max: 15° Average: 9° Min: 5° Nov Max: 8° Average: 4° Min: 1° Dec Max: 3° Average: 0° Min: -3°
Max
Average
Min

Temperatures in Hill Airport vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 23°C. The coldest month is December, when overnight lows fall to -3°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 11°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 83mm Snow: 33mm Feb Precipitation: 92mm Snow: 42mm Mar Precipitation: 86mm Snow: 16mm Apr Precipitation: 65mm Snow: 2mm May Precipitation: 58mm Snow: 0mm Jun Precipitation: 28mm Snow: 0mm Jul Precipitation: 7mm Snow: 0mm Aug Precipitation: 9mm Snow: 0mm Sep Precipitation: 24mm Snow: 0mm Oct Precipitation: 80mm Snow: 4mm Nov Precipitation: 67mm Snow: 10mm Dec Precipitation: 78mm Snow: 41mm
Precipitation
Snow

Hill Airport is a relatively dry area, receiving approximately 677mm of precipitation annually, which averages out to around 56mm per month. The wettest month is February, averaging 92mm of rainfall. March and January also tend to see above-average precipitation. The driest month is July, with just 7mm. That's 86mm less than February, 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 148cm accumulating over the season. February typically sees the most snow at around 42cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 3km/h Mar Wind Speed: 2km/h Apr Wind Speed: 3km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Hill Airport is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

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

3 days until Summer

It is currently spring in Hill Airport, which began on March 20, 2026. Hill Airport 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 August at around 31°C, while the coldest stretch bottoms out in December near -3°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

Spring

Temperatures range from 0 to 21°C. Precipitation is moderate at around 208mm for the season, averaging 69mm per month. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 11 to 31°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 1 to 24°C. Precipitation is moderate at around 172mm for the season, averaging 57mm per month. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -3 to 5°C. Precipitation is moderate at around 253mm for the season, averaging 84mm per month. Expect around 116cm of snow accumulation during this period. Winds are generally light, averaging 2km/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 10°
May 15°
Jun 18°
Jul 23°
Aug 23°
Sep 17°
Oct
Nov
Dec

The best time to visit Hill Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 17mm per month. By contrast, December can be quite cold with temperatures dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Hill Airport 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
3 °C
2 km/h
83 mm
33 cm
Feb
-2 °C
5 °C
3 km/h
92 mm
42 cm
Mar
0 °C
10 °C
2 km/h
86 mm
16 cm
Apr
5 °C
16 °C
3 km/h
65 mm
2 cm
May
9 °C
21 °C
2 km/h
58 mm
0 cm
Jun Current
11 °C
25 °C
2 km/h
28 mm
0 cm
Jul
15 °C
30 °C
2 km/h
7 mm
0 cm
Aug
15 °C
31 °C
2 km/h
9 mm
0 cm
Sep
11 °C
24 °C
2 km/h
24 mm
0 cm
Oct
5 °C
15 °C
2 km/h
80 mm
4 cm
Nov
1 °C
8 °C
2 km/h
67 mm
10 cm
Dec
-3 °C
3 °C
2 km/h
78 mm
41 cm
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