Climate Insights for Covington

Sheridan County, Washington, United States

Hottest
August
25°C peak
Coldest
February
1°C low
Wettest
December
259mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Covington is cool. The average annual temperature is 10°C and approximately 1672mm of precipitation falls per year. December is the wettest month, receiving around 259mm of rainfall. Covington is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, December, when temperatures can drop to 1°C. Snowfall occurs from January to December, with around 124cm accumulating over the season.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 7° Average: 4° Min: 1° Feb Max: 7° Average: 3° Min: 1° Mar Max: 11° Average: 6° Min: 2° Apr Max: 14° Average: 9° Min: 4° May Max: 18° Average: 12° Min: 7° Jun Max: 21° Average: 15° Min: 10° Jul Max: 24° Average: 18° Min: 12° Aug Max: 25° Average: 18° Min: 12° Sep Max: 21° Average: 15° Min: 10° Oct Max: 15° Average: 10° Min: 6° Nov Max: 10° Average: 6° Min: 4° Dec Max: 7° Average: 4° Min: 2°
Max
Average
Min

Temperatures in Covington vary considerably across the year, with a 24°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 25°C with a mean of 18°C. February is the coolest month, with minimum temperatures around 1°C and an average of 3°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 221mm Snow: 21mm Feb Precipitation: 209mm Snow: 43mm Mar Precipitation: 162mm Snow: 19mm Apr Precipitation: 131mm Snow: 6mm May Precipitation: 85mm Snow: 0mm Jun Precipitation: 76mm Snow: 0mm Jul Precipitation: 21mm Snow: 0mm Aug Precipitation: 27mm Snow: 0mm Sep Precipitation: 78mm Snow: 0mm Oct Precipitation: 178mm Snow: 0mm Nov Precipitation: 225mm Snow: 9mm Dec Precipitation: 259mm Snow: 26mm
Precipitation
Snow

Covington is a fairly wet location, receiving approximately 1672mm of precipitation annually, which averages out to around 139mm per month. The wettest month is December, averaging 259mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 21mm. That's 239mm 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 124cm accumulating over the season. February typically sees the most snow at around 43cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 8km/h Apr Wind Speed: 8km/h May Wind Speed: 7km/h Jun Wind Speed: 7km/h Jul Wind Speed: 6km/h Aug Wind Speed: 6km/h Sep Wind Speed: 6km/h Oct Wind Speed: 8km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

Covington is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/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 9km/h in winter, 8km/h in spring, 6km/h in summer, 8km/h in autumn.

Seasons

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

7 days until Autumn

It is currently summer in Covington, which began on June 21, 2026. Covington 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 25°C, while the coldest stretch bottoms out in February near 1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 2 to 18°C. Rainfall is heavy, totalling around 379mm across the season with a monthly average of 126mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 10 to 25°C. Rainfall is relatively light, with around 124mm over the season and a monthly average of 41mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 4 to 21°C. Rainfall is heavy, totalling around 481mm across the season with a monthly average of 160mm. Expect around 9cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 1 to 7°C. Rainfall is heavy, totalling around 689mm across the season with a monthly average of 230mm. Expect around 90cm of snow accumulation during this period. Winds are generally light, averaging 9km/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
May 12°
Jun 15°
Jul 18°
Aug 18°
Sep 15°
Oct 10°
Nov
Dec

The best time to visit Covington 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 24mm per month. By contrast, February 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 Covington 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
7 °C
9 km/h
221 mm
21 cm
Feb
1 °C
7 °C
9 km/h
209 mm
43 cm
Mar
2 °C
11 °C
8 km/h
162 mm
19 cm
Apr
4 °C
14 °C
8 km/h
131 mm
6 cm
May
7 °C
18 °C
7 km/h
85 mm
0 cm
Jun
10 °C
21 °C
7 km/h
76 mm
0 cm
Jul
12 °C
24 °C
6 km/h
21 mm
0 cm
Aug
12 °C
25 °C
6 km/h
27 mm
0 cm
Sep Current
10 °C
21 °C
6 km/h
78 mm
0 cm
Oct
6 °C
15 °C
8 km/h
178 mm
0 cm
Nov
4 °C
10 °C
9 km/h
225 mm
9 cm
Dec
2 °C
7 °C
9 km/h
259 mm
26 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.

gb English
Metric (°C, km/h)