Climate Insights for Claremont

Johnson County, New Hampshire, United States

Hottest
July
28°C peak
Coldest
January
-9°C low
Wettest
December
111mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Claremont is cool. The average annual temperature is 9°C and approximately 1057mm of precipitation falls per year. Claremont receives a notable amount of rainfall throughout the year, including during its driest month. Claremont 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 148cm 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: 2° Average: -4° Min: -8° Mar Max: 6° Average: 1° Min: -4° Apr Max: 12° Average: 7° Min: 3° May Max: 20° Average: 14° Min: 9° Jun Max: 25° Average: 19° Min: 13° Jul Max: 28° Average: 22° Min: 17° Aug Max: 26° Average: 21° Min: 16° Sep Max: 23° Average: 17° Min: 12° Oct Max: 15° Average: 10° Min: 6° Nov Max: 8° Average: 3° Min: 0° Dec Max: 3° Average: -1° Min: -5°
Max
Average
Min

Claremont has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 28°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. 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: 87mm Snow: 33mm Feb Precipitation: 75mm Snow: 32mm Mar Precipitation: 81mm Snow: 29mm Apr Precipitation: 99mm Snow: 13mm May Precipitation: 65mm Snow: 0mm Jun Precipitation: 92mm Snow: 0mm Jul Precipitation: 96mm Snow: 0mm Aug Precipitation: 83mm Snow: 0mm Sep Precipitation: 81mm Snow: 0mm Oct Precipitation: 108mm Snow: 1mm Nov Precipitation: 79mm Snow: 12mm Dec Precipitation: 111mm Snow: 27mm
Precipitation
Snow

Claremont is a moderately rainy area, receiving approximately 1057mm of precipitation annually, which averages out to around 88mm per month. The wettest month is December, averaging 111mm of rainfall. October and April also tend to see above-average precipitation. The driest month is May, with just 65mm. That's 46mm 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 148cm accumulating over the season. January typically sees the most snow at around 33cm.

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: 16km/h Jun Wind Speed: 15km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 13km/h Oct Wind Speed: 15km/h Nov Wind Speed: 17km/h Dec Wind Speed: 17km/h
Wind Speed

Claremont 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 September, 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 6km/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, 17km/h in spring, 14km/h in summer, 15km/h in autumn.

Seasons

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

91 days until Summer

It is currently spring in Claremont, which began on March 20, 2026. Claremont 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 28°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 20°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 13 to 28°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 0 to 23°C. Precipitation is moderate at around 268mm for the season, averaging 89mm per month. Expect around 14cm 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 273mm for the season, averaging 91mm per month. Expect around 92cm of snow accumulation during this period. Winds are moderate at around 17km/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 14°
Jun 19°
Jul 22°
Aug 21°
Sep 17°
Oct 10°
Nov
Dec -1°

The best time to visit Claremont is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 88mm per month. By contrast, January can be quite cold with temperatures 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 Claremont 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
17 km/h
87 mm
33 cm
Feb
-8 °C
2 °C
18 km/h
75 mm
32 cm
Mar Current
-4 °C
6 °C
19 km/h
81 mm
29 cm
Apr
3 °C
12 °C
18 km/h
99 mm
13 cm
May
9 °C
20 °C
16 km/h
65 mm
0 cm
Jun
13 °C
25 °C
15 km/h
92 mm
0 cm
Jul
17 °C
28 °C
13 km/h
96 mm
0 cm
Aug
16 °C
26 °C
13 km/h
83 mm
0 cm
Sep
12 °C
23 °C
13 km/h
81 mm
0 cm
Oct
6 °C
15 °C
15 km/h
108 mm
1 cm
Nov
0 °C
8 °C
17 km/h
79 mm
12 cm
Dec
-5 °C
3 °C
17 km/h
111 mm
27 cm
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Metric (°C, km/h)