Park climate1991–2020 climate normals1 m source elevationNASA POWER

Detailed atmospheric averages derived from 1991 to 2020 climatology at a representative park coordinate

Assateague Island National Seashore Annual Climate Normals: Monthly Temperature, Precipitation, and Atmospheric Data

Name: Assateague Island National Seashore monthly climate normals
Creator: NASA POWER

Access a precise record of monthly climate conditions for Assateague Island National Seashore, based on NASA POWER measurements between 1991 and 2020. Examine monthly trends for average maximum and minimum temperatures, daily precipitation rates, relative humidity, wind speed, and daylight hours. These data points provide a representative climatological baseline for one specific location within the park, excluding real-time weather fluctuations and site-wide variability.

View park overview Browse climate zones

Digital vector illustration of a scenic coastline featuring a sandy beach, turquoise water, evergreen trees in the foreground, and cliffs in the distance under a pale sun.

Annual climate pattern

Long-term monthly averages for temperature ranges and daily precipitation rates across twelve months

Assateague Island National Seashore Annual Climate Normals and Monthly Temperature Rhythms

Average minimum, mean, and maximum temperatures track a sustained seasonal progression across the calendar year at Assateague Island National Seashore. Average daily precipitation rates remain distributed across all twelve months based on recorded climatology normals for a representative coordinate.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 14.4 °C
Warmest month: July
Coolest month: February
Wettest month: August

Twelve-month climate

Compare long-term temperature bounds, average precipitation rates, humidity, wind speed, and daylight hours across the calendar year.

Assateague Island National Seashore Weather by Month and Twelve-Month Climate Normals

Long-term climate normals across the twelve-month cycle reveal shifts in average temperature bounds, daily precipitation rates, and relative humidity at a representative coordinate. Reviewing wind speed alongside calculated daylight hours provides a complete multi-variable baseline for the protected coastal landscape.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	4.9 °C-4.4° to 13.2°	3.1 mm/day	80.4%	7.4 m/s	9.7 hours
February	4.8 °C-3.3° to 11.6°	3 mm/day	80.1%	7 m/s	10.6 hours
March	6.7 °C-1° to 13.9°	3.8 mm/day	81.4%	6.7 m/s	11.8 hours
April	10.8 °C4.3° to 17.9°	3 mm/day	83.3%	6.3 m/s	13 hours
May	15.7 °C10.1° to 22.7°	2.7 mm/day	85.6%	5.4 m/s	14.1 hours
June	21.1 °C15.8° to 26.9°	3.2 mm/day	85.2%	4.9 m/s	14.6 hours
July	24.7 °C20.8° to 28.9°	4 mm/day	83.1%	4.6 m/s	14.4 hours
August	24.6 °C21.1° to 28.4°	4.1 mm/day	80.9%	4.7 m/s	13.4 hours
September	22.2 °C16.8° to 26.7°	3.6 mm/day	79.7%	5.6 m/s	12.2 hours
October	17.5 °C10.1° to 23.4°	3.4 mm/day	77.3%	6.2 m/s	11 hours
November	12.2 °C4.2° to 18.7°	2.9 mm/day	77.6%	6.8 m/s	9.9 hours
December	7.8 °C-0.4° to 15.5°	3.5 mm/day	79.2%	7.2 m/s	9.4 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: February: 4.8 °C; July: 24.7 °C; Change from February to July: +19.9 °C
Precipitation: February: 3 mm/day; July: 4 mm/day; Change from February to July: +1 mm/day
Daylight: February: 10.6 hours; July: 14.4 hours; Change from February to July: +3.8 hours

Calculated climate highlights

Comparing long-term monthly averages for temperature, precipitation, wind, humidity, and daylight duration

Calculated Monthly Climate Highlights and Extremes for Assateague Island National Seashore

Calculated baseline comparisons across twelve monthly normals identify the warmest, coolest, wettest, and windiest periods at a single representative coordinate within Assateague Island National Seashore. These comparative monthly averages summarize annual environmental patterns without serving as observed weather records or local forecasts.

Warmest month: July24.7 °C
Coolest month: February4.8 °C
Wettest month: August4.1 mm/day
Driest month: May2.7 mm/day
Most humid month: May85.6%
Windiest month: January7.4 m/s
Longest daylight: June14.6 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Analyze monthly weather patterns, temperature rhythms, and precipitation across protected natural landscapes.

Beyond Assateague Island National Seashore: Compare National Park Climate Profiles

Standardized monthly climate profiles allow readers to examine long-term temperature, precipitation, humidity, wind, and daylight measurements across diverse protected landscapes. Systematic comparison reveals distinct atmospheric variations and seasonal rhythms among regional park environments without assuming equivalent weather conditions.