July Weather in Old Windsor, United Kingdom

Last updated: August 27, 2025

In July, the average temperature in Old Windsor, United Kingdom hovers around 18°C (65°F). Expect a range of 9°C (48°F) as the minimum to a warm 35°C (96°F) maximum. During this month, you'll experience about 64 mm (2.5 in) of precipitation spread over 11 days, accompanied by an average humidity level of 71%.

July Temperature in Old Windsor

In July in Old Windsor, the average temperature is 18°C (65°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 9°C (48°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both warm days and cooler evenings.

July Weather in Old Windsor: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Old Windsor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Old Windsor, July typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (96°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656459534643
Data source: Temperature data for Old Windsor 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.

July Precipitation in Old Windsor

In Old Windsor in July, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

July Precipitation Trends in Old Windsor

The chart displays monthly precipitation patterns in Old Windsor, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Old Windsor, July typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec525255336374646745865382
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Old Windsor

In Old Windsor in July humidity is 71%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making it a bit sticky and muggy, which can be slightly uncomfortable for traveling, especially if you're engaging in outdoor activities or exploring the city on foot.

July Average Humidity in Old Windsor

This chart illustrates the average monthly humidity levels in Old Windsor, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Old Windsor is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Old Windsor

In Old Windsor in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Old Windsor.

Maximum UV Index Levels in Old Windsor for July

The chart shows the monthly maximum UV Index (UVI) for Old Windsor in July, 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 July, the maximum UV index in Old Windsor typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Old Windsor July 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 July Weather in Old Windsor Compares to Other Months

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

This table compares monthly weather conditions in Old Windsor, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.1 inches)91%low
February Weather6°C (43°F)52 mm (2.0 inches)89%low
March Weather7°C (46°F)55 mm (2.2 inches)86%moderate
April Weather10°C (49°F)33 mm (1.3 inches)85%moderate
May Weather13°C (55°F)63 mm (2.5 inches)79%high
June Weather16°C (62°F)74 mm (2.9 inches)80%very high
July Weather18°C (65°F)64 mm (2.5 inches)71%very high
August Weather18°C (64°F)67 mm (2.6 inches)76%high
September Weather15°C (59°F)45 mm (1.8 inches)82%high
October Weather12°C (53°F)86 mm (3.4 inches)90%moderate
November Weather8°C (47°F)53 mm (2.1 inches)92%low
December Weather6°C (44°F)82 mm (3.2 inches)92%low

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