August Weather in Zwolle, United States

Last updated: June 24, 2025

In August, the average temperature in Zwolle, United States reaches a warm 28°C (83°F), with minimums dropping to 20°C (69°F) and maximums soaring to 37°C (99°F). Be prepared for some rain, as the area experiences about 139 mm (5.5 in) of precipitation over 11 days, contributing to an average humidity level of 71%.

August Temperature in Zwolle

In August in Zwolle, the average temperature is 28°C (83°F). The maximum can reach 37°C (99°F), while the minimum can drop to as low as 20°C (69°F). It's a great time to explore outdoor activities while enjoying warm weather and pleasant evenings.

August Weather in Zwolle: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Zwolle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zwolle, August typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec505362667581838379695854
Data source: Temperature data for Zwolle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Zwolle

In Zwolle in August, the precipitation amount is 139 mm (5.5 in) occurring over a span of 11 days.

August Precipitation Trends in Zwolle

The chart displays monthly precipitation patterns in Zwolle, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Zwolle, August typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051601321631711289713913011174133
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Zwolle

In Zwolle in August, humidity is 71%. With an average temperature of 28°C (83°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable if you're not prepared for the stickiness and sweat that accompany such conditions.

August Average Humidity in Zwolle

This chart illustrates the average monthly humidity levels in Zwolle, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Zwolle is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Zwolle

In Zwolle in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Zwolle.

Maximum UV Index Levels in Zwolle for August

The chart shows the monthly maximum UV Index (UVI) for Zwolle in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Zwolle typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121110864
Data source: Zwolle August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Zwolle Compares to Other Months

Weather in Zwolle varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Zwolle, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Zwolle, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)105 mm (4.1 inches)81%moderate
February Weather12°C (53°F)160 mm (6.3 inches)81%very high
March Weather16°C (62°F)132 mm (5.2 inches)79%very high
April Weather19°C (66°F)162 mm (6.4 inches)80%extreme
May Weather24°C (75°F)171 mm (6.7 inches)81%extreme
June Weather27°C (81°F)128 mm (5.0 inches)76%extreme
July Weather28°C (83°F)97 mm (3.8 inches)73%extreme
August Weather28°C (83°F)139 mm (5.5 inches)71%extreme
September Weather26°C (79°F)130 mm (5.1 inches)72%very high
October Weather21°C (70°F)110 mm (4.3 inches)73%very high
November Weather14°C (58°F)74 mm (2.9 inches)83%high
December Weather12°C (54°F)133 mm (5.3 inches)88%moderate

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