Assateague Island (WV) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Assateague Island.
Climate overview of Assateague Island
The climate in Assateague Island, West Virginia, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in July to 8°C (46°F) in January.
The city has a wet climate, receiving around 1173 mm (46 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. September is the wettest month.
Assateague Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Assateague Island - and find the best time to visit.
Monthly Temperature in Assateague Island
In Assateague Island, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 30°C (86°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 22°C (72°F) in July to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Assateague Island
Assateague Island experiences significant rain/snowfall throughout the year, averaging 1173 mm (46 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, September, sees around 133 mm (5.2 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 72 mm (2.8 in) of rainfall. For more details, please visit our Assateague Island Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Assateague Island by Month
The relative humidity is high throughout the year in Assateague Island.
The city experiences its highest humidity in August, reaching 76%. In March, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Assateague Island
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Assateague Island
What is the best time to visit Assateague Island?
May typically offers the most optimal weather in Assateague Island. In contrast, January, February and December tend to have less optimal conditions. Assateague Island has very warm summers and cold winters.
What temperatures can I expect in Assateague Island?
Daytime highs range from 8°C (46°F) in January to 30°C (86°F) in July. Nighttime lows range from -1°C (30°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Assateague Island get?
Annual rainfall is around 1173 mm (46 in). September is the wettest month with 133 mm (5.2 in), while January is the driest with 72 mm (2.8 in).
Assateague Island 3-Day Forecast
Assateague Island on the map
Assateague Island is highlighted - select any city to see its climate.
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