Climate Insights for Cumming Triangle Landing Area

Skamania County, Idaho, United States

Hottest
July
27°C peak
Coldest
December
-13°C low
Wettest
June
73mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Cumming Triangle Landing Area is cool. The average annual temperature is 4°C and approximately 621mm of precipitation falls per year. June is the wettest month, receiving around 73mm of rainfall. Cumming Triangle Landing Area 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 -13°C. Cumming Triangle Landing Area experiences heavy snowfall, typically from January through December.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -3° Average: -8° Min: -11° Feb Max: -1° Average: -5° Min: -9° Mar Max: 4° Average: -1° Min: -6° Apr Max: 8° Average: 2° Min: -3° May Max: 14° Average: 7° Min: 1° Jun Max: 21° Average: 13° Min: 6° Jul Max: 27° Average: 18° Min: 9° Aug Max: 26° Average: 17° Min: 9° Sep Max: 21° Average: 12° Min: 5° Oct Max: 11° Average: 4° Min: -1° Nov Max: 2° Average: -4° Min: -9° Dec Max: -3° Average: -8° Min: -13°
Max
Average
Min

Cumming Triangle Landing Area has a wide annual temperature range, spanning 40°C from the coldest to warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 18°C. The coldest month is December, when overnight lows fall to -13°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, 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: 46mm Snow: 35mm Feb Precipitation: 64mm Snow: 45mm Mar Precipitation: 59mm Snow: 35mm Apr Precipitation: 56mm Snow: 27mm May Precipitation: 72mm Snow: 12mm Jun Precipitation: 73mm Snow: 4mm Jul Precipitation: 23mm Snow: 0mm Aug Precipitation: 25mm Snow: 0mm Sep Precipitation: 41mm Snow: 2mm Oct Precipitation: 50mm Snow: 14mm Nov Precipitation: 52mm Snow: 29mm Dec Precipitation: 59mm Snow: 44mm
Precipitation
Snow

Cumming Triangle Landing Area is a relatively dry area, receiving approximately 621mm of precipitation annually, which averages out to around 52mm per month. The wettest month is June, averaging 73mm of rainfall. May and February also tend to see above-average precipitation. The driest month is July, with just 23mm. That's 50mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Cumming Triangle Landing Area receives heavy snowfall, accumulating around 246cm annually from January through December. The snowiest month is February, with approximately 45cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 10km/h Mar Wind Speed: 10km/h Apr Wind Speed: 11km/h May Wind Speed: 11km/h Jun Wind Speed: 11km/h Jul Wind Speed: 11km/h Aug Wind Speed: 11km/h Sep Wind Speed: 11km/h Oct Wind Speed: 10km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

Cumming Triangle Landing Area is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

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

88 days until Summer

It is currently spring in Cumming Triangle Landing Area, which began on March 20, 2026. Cumming Triangle Landing Area 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 27°C, while the coldest stretch bottoms out in December near -13°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from -6 to 14°C. Precipitation is moderate at around 187mm for the season, averaging 62mm per month. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 6 to 27°C. Rainfall is relatively light, with around 121mm over the season and a monthly average of 40mm. Winds are generally light, averaging 11km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -9 to 21°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Expect around 45cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -13 to -1°C. Precipitation is moderate at around 169mm for the season, averaging 56mm per month. Expect around 123cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -8°
Feb -5°
Mar -1°
Apr
May
Jun 13°
Jul 18°
Aug 17°
Sep 12°
Oct
Nov -4°
Dec -8°

The best time to visit Cumming Triangle Landing Area 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, December can be quite cold with temperatures dropping to -13°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 Cumming Triangle Landing Area 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
-11 °C
-3 °C
9 km/h
46 mm
35 cm
Feb
-9 °C
-1 °C
10 km/h
64 mm
45 cm
Mar Current
-6 °C
4 °C
10 km/h
59 mm
35 cm
Apr
-3 °C
8 °C
11 km/h
56 mm
27 cm
May
1 °C
14 °C
11 km/h
72 mm
12 cm
Jun
6 °C
21 °C
11 km/h
73 mm
4 cm
Jul
9 °C
27 °C
11 km/h
23 mm
0 cm
Aug
9 °C
26 °C
11 km/h
25 mm
0 cm
Sep
5 °C
21 °C
11 km/h
41 mm
2 cm
Oct
-1 °C
11 °C
10 km/h
50 mm
14 cm
Nov
-9 °C
2 °C
9 km/h
52 mm
29 cm
Dec
-13 °C
-3 °C
9 km/h
59 mm
44 cm
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