Climate Insights for Anderson-Plummer Airport

Skagit County, Idaho, United States

Hottest
August
30°C peak
Coldest
December
-3°C low
Wettest
February
111mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Anderson-Plummer Airport is cool. The average annual temperature is 9°C and approximately 890mm of precipitation falls per year. February is the wettest month, receiving around 111mm of rainfall. Anderson-Plummer 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, February, January, when temperatures can drop to -3°C. Anderson-Plummer Airport experiences heavy snowfall, typically from January through December.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 2° Average: 0° Min: -2° Feb Max: 4° Average: 0° Min: -3° Mar Max: 8° Average: 4° Min: 0° Apr Max: 15° Average: 9° Min: 4° May Max: 20° Average: 14° Min: 8° Jun Max: 23° Average: 17° Min: 10° Jul Max: 29° Average: 21° Min: 14° Aug Max: 30° Average: 21° Min: 14° Sep Max: 23° Average: 15° Min: 9° Oct Max: 14° Average: 8° Min: 4° Nov Max: 7° Average: 4° Min: 1° Dec Max: 2° Average: -1° Min: -3°
Max
Average
Min

Temperatures in Anderson-Plummer Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 21°C. The coldest month is December, 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 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: 109mm Snow: 59mm Feb Precipitation: 111mm Snow: 63mm Mar Precipitation: 107mm Snow: 31mm Apr Precipitation: 85mm Snow: 6mm May Precipitation: 79mm Snow: 1mm Jun Precipitation: 38mm Snow: 0mm Jul Precipitation: 9mm Snow: 0mm Aug Precipitation: 13mm Snow: 0mm Sep Precipitation: 34mm Snow: 1mm Oct Precipitation: 109mm Snow: 9mm Nov Precipitation: 96mm Snow: 27mm Dec Precipitation: 101mm Snow: 66mm
Precipitation
Snow

Anderson-Plummer Airport is a moderately rainy area, receiving approximately 890mm of precipitation annually, which averages out to around 74mm per month. The wettest month is February, averaging 111mm of rainfall. January and October also tend to see above-average precipitation. The driest month is July, with just 9mm. That's 102mm 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. Anderson-Plummer Airport receives heavy snowfall, accumulating around 263cm annually from January through December. The snowiest month is December, with approximately 66cm. Winter travel should account for significant snow cover.

Wind

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

Anderson-Plummer Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, 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 Anderson-Plummer Airport, which began on March 20, 2026. Anderson-Plummer 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 30°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 20°C. Precipitation is moderate at around 271mm for the season, averaging 90mm per month. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 10 to 30°C. Rainfall is relatively light, with around 60mm over the season and a monthly average of 20mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 1 to 23°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Expect around 36cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -3 to 4°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Expect around 188cm of snow accumulation during this period. Winds are generally light, averaging 3km/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 14°
Jun 17°
Jul 21°
Aug 21°
Sep 15°
Oct
Nov
Dec -1°

The best time to visit Anderson-Plummer Airport is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 23mm 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 Anderson-Plummer 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
-2 °C
2 °C
3 km/h
109 mm
59 cm
Feb
-3 °C
4 °C
3 km/h
111 mm
63 cm
Mar
0 °C
8 °C
3 km/h
107 mm
31 cm
Apr
4 °C
15 °C
3 km/h
85 mm
6 cm
May
8 °C
20 °C
2 km/h
79 mm
1 cm
Jun Current
10 °C
23 °C
3 km/h
38 mm
0 cm
Jul
14 °C
29 °C
2 km/h
9 mm
0 cm
Aug
14 °C
30 °C
2 km/h
13 mm
0 cm
Sep
9 °C
23 °C
2 km/h
34 mm
1 cm
Oct
4 °C
14 °C
3 km/h
109 mm
9 cm
Nov
1 °C
7 °C
3 km/h
96 mm
27 cm
Dec
-3 °C
2 °C
3 km/h
101 mm
66 cm
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