Climate Insights for Endicott Airport

Whitman County, Washington, United States

Hottest
July
32°C peak
Coldest
December
-1°C low
Wettest
December
76mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Endicott Airport is temperate. The average annual temperature is 12°C and approximately 494mm of precipitation falls per year. December is the wettest month, receiving around 76mm of rainfall. Endicott Airport 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 December, January, February, when temperatures can drop to -1°C. Snowfall occurs from January to December, with around 63cm accumulating over the season.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 4° Average: 1° Min: -1° Feb Max: 7° Average: 2° Min: -1° Mar Max: 12° Average: 6° Min: 2° Apr Max: 16° Average: 10° Min: 5° May Max: 22° Average: 16° Min: 10° Jun Max: 27° Average: 20° Min: 14° Jul Max: 32° Average: 25° Min: 17° Aug Max: 31° Average: 24° Min: 17° Sep Max: 25° Average: 18° Min: 12° Oct Max: 17° Average: 11° Min: 7° Nov Max: 9° Average: 5° Min: 2° Dec Max: 4° Average: 1° Min: -1°
Max
Average
Min

Temperatures in Endicott Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 25°C. The coldest month is December, when overnight lows fall to -1°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 September and October, with a 7°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: 62mm Snow: 13mm Feb Precipitation: 54mm Snow: 15mm Mar Precipitation: 55mm Snow: 6mm Apr Precipitation: 40mm Snow: 2mm May Precipitation: 36mm Snow: 0mm Jun Precipitation: 20mm Snow: 0mm Jul Precipitation: 3mm Snow: 0mm Aug Precipitation: 8mm Snow: 0mm Sep Precipitation: 18mm Snow: 0mm Oct Precipitation: 51mm Snow: 1mm Nov Precipitation: 73mm Snow: 6mm Dec Precipitation: 76mm Snow: 21mm
Precipitation
Snow

Endicott Airport is a relatively dry area, receiving approximately 494mm of precipitation annually, which averages out to around 41mm per month. The wettest month is December, averaging 76mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 73mm less than December, 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 63cm accumulating over the season. December typically sees the most snow at around 21cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 18km/h Feb Wind Speed: 22km/h Mar Wind Speed: 22km/h Apr Wind Speed: 22km/h May Wind Speed: 19km/h Jun Wind Speed: 20km/h Jul Wind Speed: 18km/h Aug Wind Speed: 18km/h Sep Wind Speed: 18km/h Oct Wind Speed: 20km/h Nov Wind Speed: 20km/h Dec Wind Speed: 18km/h
Wind Speed

Endicott Airport is mildly breezy, with an average annual wind speed of 20km/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 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

Seasons

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

86 days until Summer

It is currently spring in Endicott Airport, which began on March 20, 2026. Endicott 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 July at around 32°C, while the coldest stretch bottoms out in December near -1°C. Summer is next, beginning on June 21, 2026 — 86 days from now.

Spring

Temperatures range from 2 to 22°C. Rainfall is relatively light, with around 131mm over the season and a monthly average of 44mm. Winds are moderate at around 21km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 14 to 32°C. Precipitation is minimal, with only around 31mm for the entire season. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 2 to 25°C. Rainfall is relatively light, with around 141mm over the season and a monthly average of 47mm. Expect around 7cm of snow accumulation during this period. Winds are moderate at around 19km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -1 to 7°C. Precipitation is moderate at around 192mm for the season, averaging 64mm per month. Expect around 49cm of snow accumulation during this period. Winds are moderate at around 19km/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 16°
Jun 20°
Jul 25°
Aug 24°
Sep 18°
Oct 11°
Nov
Dec

The best time to visit Endicott Airport is during May, 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 -1°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 Endicott 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
-1 °C
4 °C
18 km/h
62 mm
13 cm
Feb
-1 °C
7 °C
22 km/h
54 mm
15 cm
Mar Current
2 °C
12 °C
22 km/h
55 mm
6 cm
Apr
5 °C
16 °C
22 km/h
40 mm
2 cm
May
10 °C
22 °C
19 km/h
36 mm
0 cm
Jun
14 °C
27 °C
20 km/h
20 mm
0 cm
Jul
17 °C
32 °C
18 km/h
3 mm
0 cm
Aug
17 °C
31 °C
18 km/h
8 mm
0 cm
Sep
12 °C
25 °C
18 km/h
18 mm
0 cm
Oct
7 °C
17 °C
20 km/h
51 mm
1 cm
Nov
2 °C
9 °C
20 km/h
73 mm
6 cm
Dec
-1 °C
4 °C
18 km/h
76 mm
21 cm
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