Climate Insights for Harris Airport

Chugach Census Area, Washington, United States

Hottest
July
33°C peak
Coldest
December
-2°C low
Wettest
December
65mm rain
Best to Visit
May, June, August
Mild temps & low rain

Climate Overview

The climate in Harris Airport is temperate. The average annual temperature is 12°C and approximately 415mm of precipitation falls per year. December is the wettest month, receiving around 65mm of rainfall. Harris 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 -2°C. Snowfall occurs from January to December, with around 52cm 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: -2° Feb Max: 6° Average: 2° Min: -1° Mar Max: 11° Average: 6° Min: 2° Apr Max: 16° Average: 10° Min: 5° May Max: 23° Average: 17° Min: 11° Jun Max: 28° Average: 21° Min: 14° Jul Max: 33° Average: 26° Min: 18° Aug Max: 32° Average: 24° Min: 17° Sep Max: 25° Average: 18° Min: 12° Oct Max: 17° Average: 11° Min: 7° Nov Max: 8° Average: 4° Min: 1° Dec Max: 3° Average: 0° Min: -2°
Max
Average
Min

Temperatures in Harris Airport vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 26°C. The coldest month is December, when overnight lows fall to -2°C and the daily average is 0°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: 55mm Snow: 11mm Feb Precipitation: 40mm Snow: 11mm Mar Precipitation: 49mm Snow: 5mm Apr Precipitation: 31mm Snow: 1mm May Precipitation: 25mm Snow: 0mm Jun Precipitation: 18mm Snow: 0mm Jul Precipitation: 3mm Snow: 0mm Aug Precipitation: 6mm Snow: 0mm Sep Precipitation: 19mm Snow: 0mm Oct Precipitation: 41mm Snow: 0mm Nov Precipitation: 63mm Snow: 6mm Dec Precipitation: 65mm Snow: 17mm
Precipitation
Snow

Harris Airport is a relatively dry area, receiving approximately 415mm of precipitation annually, which averages out to around 35mm per month. The wettest month is December, averaging 65mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 62mm 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 52cm accumulating over the season. December typically sees the most snow at around 17cm.

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: 20km/h Feb Wind Speed: 24km/h Mar Wind Speed: 24km/h Apr Wind Speed: 25km/h May Wind Speed: 23km/h Jun Wind Speed: 24km/h Jul Wind Speed: 21km/h Aug Wind Speed: 21km/h Sep Wind Speed: 21km/h Oct Wind Speed: 22km/h Nov Wind Speed: 22km/h Dec Wind Speed: 20km/h
Wind Speed

Harris Airport is moderately windy, with an average annual wind speed of 22km/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 25km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months.

Seasons

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

82 days until Summer

It is currently spring in Harris Airport, which began on March 20, 2026. Harris 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 33°C, while the coldest stretch bottoms out in December near -2°C. Summer is next, beginning on June 21, 2026 — 82 days from now.

Spring

Temperatures range from 2 to 23°C. Rainfall is relatively light, with around 105mm over the season and a monthly average of 35mm. Winds are moderate at around 24km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 14 to 33°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are moderate at around 22km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 1 to 25°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Expect around 7cm of snow accumulation during this period. Winds are moderate at around 22km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -2 to 6°C. Precipitation is moderate at around 160mm for the season, averaging 53mm per month. Expect around 39cm of snow accumulation during this period. Winds are moderate at around 22km/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 17°
Jun 21°
Jul 26°
Aug 24°
Sep 18°
Oct 11°
Nov
Dec

The best time to visit Harris Airport is during May, June, 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, July can be uncomfortably hot with highs reaching 33°C, while December is the coldest period with lows dropping to -2°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 Harris 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
4 °C
20 km/h
55 mm
11 cm
Feb
-1 °C
6 °C
24 km/h
40 mm
11 cm
Mar Current
2 °C
11 °C
24 km/h
49 mm
5 cm
Apr
5 °C
16 °C
25 km/h
31 mm
1 cm
May
11 °C
23 °C
23 km/h
25 mm
0 cm
Jun
14 °C
28 °C
24 km/h
18 mm
0 cm
Jul
18 °C
33 °C
21 km/h
3 mm
0 cm
Aug
17 °C
32 °C
21 km/h
6 mm
0 cm
Sep
12 °C
25 °C
21 km/h
19 mm
0 cm
Oct
7 °C
17 °C
22 km/h
41 mm
0 cm
Nov
1 °C
8 °C
22 km/h
63 mm
6 cm
Dec
-2 °C
3 °C
20 km/h
65 mm
17 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)