Climate Insights for Cliff Dow Airport

Kalawao County, Maine, United States

Hottest
July
27°C peak
Coldest
January
-9°C low
Wettest
December
118mm rain
Best to Visit
June, August, September
Mild temps & low rain

Climate Overview

The climate in Cliff Dow Airport is cool. The average annual temperature is 9°C and approximately 1060mm of precipitation falls per year. Cliff Dow Airport receives a notable amount of rainfall throughout the year, including during its driest month. Cliff Dow 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 January, February, December, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 151cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -5° Min: -9° Feb Max: 1° Average: -4° Min: -9° Mar Max: 5° Average: 0° Min: -4° Apr Max: 11° Average: 6° Min: 3° May Max: 18° Average: 13° Min: 9° Jun Max: 23° Average: 18° Min: 14° Jul Max: 27° Average: 22° Min: 18° Aug Max: 26° Average: 21° Min: 17° Sep Max: 22° Average: 17° Min: 14° Oct Max: 15° Average: 11° Min: 7° Nov Max: 8° Average: 4° Min: 1° Dec Max: 3° Average: -1° Min: -4°
Max
Average
Min

Cliff Dow Airport has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -9°C and the daily average is -5°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 7°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: 95mm Snow: 36mm Feb Precipitation: 73mm Snow: 34mm Mar Precipitation: 83mm Snow: 29mm Apr Precipitation: 95mm Snow: 13mm May Precipitation: 67mm Snow: 0mm Jun Precipitation: 89mm Snow: 0mm Jul Precipitation: 101mm Snow: 0mm Aug Precipitation: 81mm Snow: 0mm Sep Precipitation: 73mm Snow: 0mm Oct Precipitation: 104mm Snow: 0mm Nov Precipitation: 79mm Snow: 9mm Dec Precipitation: 118mm Snow: 30mm
Precipitation
Snow

Cliff Dow Airport is a moderately rainy area, receiving approximately 1060mm of precipitation annually, which averages out to around 88mm per month. The wettest month is December, averaging 118mm of rainfall. October and July also tend to see above-average precipitation. The driest month is May, with just 67mm. That's 52mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 151cm accumulating over the season. January typically sees the most snow at around 36cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 16km/h Feb Wind Speed: 17km/h Mar Wind Speed: 18km/h Apr Wind Speed: 17km/h May Wind Speed: 16km/h Jun Wind Speed: 15km/h Jul Wind Speed: 14km/h Aug Wind Speed: 13km/h Sep Wind Speed: 14km/h Oct Wind Speed: 15km/h Nov Wind Speed: 17km/h Dec Wind Speed: 15km/h
Wind Speed

Cliff Dow Airport is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 13km/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

91 days until Summer

It is currently spring in Cliff Dow Airport, which began on March 20, 2026. Cliff Dow 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 27°C, while the coldest stretch bottoms out in January near -9°C. Summer is next, beginning on June 21, 2026 — 91 days from now.

Spring

Temperatures range from -4 to 18°C. Precipitation is moderate at around 245mm for the season, averaging 82mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 14 to 27°C. Precipitation is moderate at around 271mm for the season, averaging 90mm per month. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 1 to 22°C. Precipitation is moderate at around 257mm for the season, averaging 86mm per month. Expect around 9cm of snow accumulation during this period. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -9 to 3°C. Precipitation is moderate at around 287mm for the season, averaging 96mm per month. Expect around 100cm of snow accumulation during this period. Winds are moderate at around 16km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -5°
Feb -4°
Mar
Apr
May 13°
Jun 18°
Jul 22°
Aug 21°
Sep 17°
Oct 11°
Nov
Dec -1°

The best time to visit Cliff Dow Airport is during June, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 81mm per month. By contrast, July can be uncomfortably hot with highs reaching 27°C, while January is the coldest period with lows dropping to -9°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Cliff Dow 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
-9 °C
0 °C
16 km/h
95 mm
36 cm
Feb
-9 °C
1 °C
17 km/h
73 mm
34 cm
Mar Current
-4 °C
5 °C
18 km/h
83 mm
29 cm
Apr
3 °C
11 °C
17 km/h
95 mm
13 cm
May
9 °C
18 °C
16 km/h
67 mm
0 cm
Jun
14 °C
23 °C
15 km/h
89 mm
0 cm
Jul
18 °C
27 °C
14 km/h
101 mm
0 cm
Aug
17 °C
26 °C
13 km/h
81 mm
0 cm
Sep
14 °C
22 °C
14 km/h
73 mm
0 cm
Oct
7 °C
15 °C
15 km/h
104 mm
0 cm
Nov
1 °C
8 °C
17 km/h
79 mm
9 cm
Dec
-4 °C
3 °C
15 km/h
118 mm
30 cm
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Metric (°C, km/h)