Weirs Beach (NH) Weather & Climate: Best Time to Visit

In Weirs Beach, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold -1°C (30°F) during cooler months like January.

At night, you can expect temperatures ranging from 16°C (61°F) in July to around -11°C (12°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Weirs Beach experiences significant rain/snowfall throughout the year, averaging 1220 mm (48 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 136 mm (5.4 in) of precipitation, spread over 16 rainy days.

In contrast, the driest month January experiences a drier climate, with about 71 mm (2.8 in) of snowfall spread across 12 snowy days. For more details, please visit our Weirs Beach Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Weirs Beach. While July receives considerable daily sunshine with up to 9.8 hours, November marks the darkest time of the year, where sunshine is scarce with only 4.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Weirs Beach.

The city experiences its highest humidity in September, reaching 76%. In April, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year