Climate Insights for Tatitlek Airport

Chugach Census Area, Alaska, United States

Hottest
August
15°C peak
Coldest
January
0°C low
Wettest
September
387mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Tatitlek Airport is cool. The average annual temperature is 7°C and approximately 3160mm of precipitation falls per year. Tatitlek Airport receives a notable amount of rainfall throughout the year, including during its driest month. Tatitlek Airport 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 January, February, March, when temperatures can drop to 0°C. Tatitlek Airport experiences heavy snowfall, typically from January through December.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 2° Average: 1° Min: 0° Feb Max: 2° Average: 1° Min: 1° Mar Max: 2° Average: 2° Min: 1° Apr Max: 5° Average: 5° Min: 4° May Max: 8° Average: 7° Min: 7° Jun Max: 12° Average: 11° Min: 10° Jul Max: 15° Average: 14° Min: 13° Aug Max: 15° Average: 14° Min: 13° Sep Max: 13° Average: 12° Min: 11° Oct Max: 8° Average: 8° Min: 7° Nov Max: 5° Average: 4° Min: 3° Dec Max: 4° Average: 3° Min: 2°
Max
Average
Min

Tatitlek Airport sees moderate temperature variation throughout the year, ranging from 0°C to 15°C. August is the warmest month, though highs remain moderate at 15°C with a mean of 14°C. January is the coolest month, with minimum temperatures around 0°C and an average of 1°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 247mm Snow: 79mm Feb Precipitation: 197mm Snow: 98mm Mar Precipitation: 201mm Snow: 75mm Apr Precipitation: 185mm Snow: 23mm May Precipitation: 230mm Snow: 2mm Jun Precipitation: 140mm Snow: 0mm Jul Precipitation: 175mm Snow: 0mm Aug Precipitation: 381mm Snow: 0mm Sep Precipitation: 387mm Snow: 0mm Oct Precipitation: 359mm Snow: 5mm Nov Precipitation: 285mm Snow: 37mm Dec Precipitation: 373mm Snow: 101mm
Precipitation
Snow

Tatitlek Airport is a very wet location, receiving approximately 3160mm of precipitation annually, which averages out to around 263mm per month. The wettest month is September, averaging 387mm of rainfall. August and December also tend to see above-average precipitation. The driest month is June, with just 140mm. That's 247mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Tatitlek Airport receives heavy snowfall, accumulating around 418cm annually from January through December. The snowiest month is December, with approximately 101cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 5km/h Feb Wind Speed: 5km/h Mar Wind Speed: 5km/h Apr Wind Speed: 4km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 4km/h Sep Wind Speed: 4km/h Oct Wind Speed: 5km/h Nov Wind Speed: 5km/h Dec Wind Speed: 6km/h
Wind Speed

Tatitlek Airport is relatively calm, with an average annual wind speed of 4km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 3km/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.

Seasons

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

70 days until Autumn

It is currently summer in Tatitlek Airport, which began on June 21, 2026. Tatitlek 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 15°C, while the coldest stretch bottoms out in January near 0°C. Autumn is next, beginning on September 23, 2026 — 70 days from now.

Spring

Temperatures range from 1 to 8°C. Rainfall is heavy, totalling around 616mm across the season with a monthly average of 205mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 10 to 15°C. Rainfall is heavy, totalling around 696mm across the season with a monthly average of 232mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 3 to 13°C. Rainfall is heavy, totalling around 1031mm across the season with a monthly average of 344mm. Expect around 42cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 0 to 4°C. Rainfall is heavy, totalling around 817mm across the season with a monthly average of 272mm. Expect around 277cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Tatitlek 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
0 °C
2 °C
5 km/h
247 mm
79 cm
Feb
1 °C
2 °C
5 km/h
197 mm
98 cm
Mar
1 °C
2 °C
5 km/h
201 mm
75 cm
Apr
4 °C
5 °C
4 km/h
185 mm
23 cm
May
7 °C
8 °C
3 km/h
230 mm
2 cm
Jun
10 °C
12 °C
3 km/h
140 mm
0 cm
Jul Current
13 °C
15 °C
3 km/h
175 mm
0 cm
Aug
13 °C
15 °C
4 km/h
381 mm
0 cm
Sep
11 °C
13 °C
4 km/h
387 mm
0 cm
Oct
7 °C
8 °C
5 km/h
359 mm
5 cm
Nov
3 °C
5 °C
5 km/h
285 mm
37 cm
Dec
2 °C
4 °C
6 km/h
373 mm
101 cm
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