Climate Insights for Corinna

Johnson County, Maine, United States

Hottest
July
26°C peak
Coldest
January
-11°C low
Wettest
December
134mm rain
Best to Visit
July, August, September
Mild temps & low rain

Climate Overview

The climate in Corinna is cool. The average annual temperature is 7°C and approximately 1156mm of precipitation falls per year. Corinna receives a notable amount of rainfall throughout the year, including during its driest month. Corinna 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 -11°C. Snowfall occurs from January to December, with around 181cm accumulating over the season.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -2° Average: -7° Min: -11° Feb Max: -1° Average: -6° Min: -11° Mar Max: 4° Average: -1° Min: -5° Apr Max: 11° Average: 5° Min: 1° May Max: 19° Average: 12° Min: 7° Jun Max: 23° Average: 17° Min: 12° Jul Max: 26° Average: 21° Min: 15° Aug Max: 25° Average: 20° Min: 15° Sep Max: 21° Average: 16° Min: 11° Oct Max: 14° Average: 9° Min: 5° Nov Max: 6° Average: 2° Min: -2° Dec Max: 0° Average: -4° Min: -7°
Max
Average
Min

Corinna has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. The coldest month is January, when overnight lows fall to -11°C and the daily average is -7°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. 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: 100mm Snow: 42mm Feb Precipitation: 75mm Snow: 36mm Mar Precipitation: 87mm Snow: 35mm Apr Precipitation: 108mm Snow: 14mm May Precipitation: 85mm Snow: 1mm Jun Precipitation: 102mm Snow: 0mm Jul Precipitation: 89mm Snow: 0mm Aug Precipitation: 87mm Snow: 0mm Sep Precipitation: 82mm Snow: 0mm Oct Precipitation: 117mm Snow: 2mm Nov Precipitation: 90mm Snow: 16mm Dec Precipitation: 134mm Snow: 35mm
Precipitation
Snow

Corinna is a moderately rainy area, receiving approximately 1156mm of precipitation annually, which averages out to around 96mm per month. The wettest month is December, averaging 134mm of rainfall. October and April also tend to see above-average precipitation. The driest month is February, with just 75mm. That's 59mm 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 181cm accumulating over the season. January typically sees the most snow at around 42cm.

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: 17km/h Feb Wind Speed: 18km/h Mar Wind Speed: 19km/h Apr Wind Speed: 18km/h May Wind Speed: 17km/h Jun Wind Speed: 16km/h Jul Wind Speed: 14km/h Aug Wind Speed: 14km/h Sep Wind Speed: 15km/h Oct Wind Speed: 16km/h Nov Wind Speed: 17km/h Dec Wind Speed: 17km/h
Wind Speed

Corinna 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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 14km/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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 18km/h in spring, 15km/h in summer, 16km/h in autumn.

Seasons

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

89 days until Summer

It is currently spring in Corinna, which began on March 20, 2026. Corinna 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 26°C, while the coldest stretch bottoms out in January near -11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from -5 to 19°C. Precipitation is moderate at around 280mm for the season, averaging 93mm per month. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 12 to 26°C. Precipitation is moderate at around 278mm for the season, averaging 93mm per month. Winds are generally light, averaging 15km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -2 to 21°C. Precipitation is moderate at around 289mm for the season, averaging 96mm per month. Expect around 18cm of snow accumulation during this period. Winds are moderate at around 16km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -11 to 0°C. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Expect around 113cm of snow accumulation during this period. Winds are moderate at around 17km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -7°
Feb -6°
Mar -1°
Apr
May 12°
Jun 17°
Jul 21°
Aug 20°
Sep 16°
Oct
Nov
Dec -4°

The best time to visit Corinna is during 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 86mm per month. By contrast, January can be quite cold with temperatures dropping to -11°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 Corinna 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
-2 °C
17 km/h
100 mm
42 cm
Feb
-11 °C
-1 °C
18 km/h
75 mm
36 cm
Mar Current
-5 °C
4 °C
19 km/h
87 mm
35 cm
Apr
1 °C
11 °C
18 km/h
108 mm
14 cm
May
7 °C
19 °C
17 km/h
85 mm
1 cm
Jun
12 °C
23 °C
16 km/h
102 mm
0 cm
Jul
15 °C
26 °C
14 km/h
89 mm
0 cm
Aug
15 °C
25 °C
14 km/h
87 mm
0 cm
Sep
11 °C
21 °C
15 km/h
82 mm
0 cm
Oct
5 °C
14 °C
16 km/h
117 mm
2 cm
Nov
-2 °C
6 °C
17 km/h
90 mm
16 cm
Dec
-7 °C
0 °C
17 km/h
134 mm
35 cm
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Metric (°C, km/h)