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March Weather in Old Harlow, United Kingdom

Last updated: August 27, 2025

In March, the average temperature in Old Harlow, United Kingdom hovers around 7°C (46°F). Expect a minimum of -5°C (23°F) and a comfortable maximum of 21°C (70°F). With 54 mm (2.1 in) of precipitation spread across 13 days, it’s wise to bring an umbrella! The average humidity is a high 86%, adding a hint of chill to the air.

March Temperature in Old Harlow

In March in Old Harlow, the average temperature is 7°C (46°F), with maximums reaching 21°C (70°F) and minimums dipping as low as -5°C (23°F). Be sure to pack layers to stay comfortable during your travels!

March Weather in Old Harlow: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Old Harlow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Old Harlow, March typically has an average temperature of 7°C (46°F), with highs reaching up to 21°C (70°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345495561656459534643
Data source: Temperature data for Old Harlow 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.

March Precipitation in Old Harlow

In Old Harlow in March, the precipitation amount is 54 mm (2.1 in), falling over the course of 13 days.

March Precipitation Trends in Old Harlow

The chart displays monthly precipitation patterns in Old Harlow, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Old Harlow, March typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec525054306572657349824683
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Old Harlow

In Old Harlow in March humidity is 86%. With an average temperature of 7°C (46°F), this humidity feels like wrapping yourself in a damp blanket, making travel uncomfortable and heavy, as the cold air mixes with the muggy atmosphere, leaving you longing for a warm, dry refuge.

March Average Humidity in Old Harlow

This chart illustrates the average monthly humidity levels in Old Harlow, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Old Harlow is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Old Harlow

In Old Harlow in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Old Harlow for better planning.

Maximum UV Index Levels in Old Harlow for March

The chart shows the monthly maximum UV Index (UVI) for Old Harlow in March, 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 March, the maximum UV index in Old Harlow typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Old Harlow March 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 March Weather in Old Harlow Compares to Other Months

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

This table compares monthly weather conditions in Old Harlow, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.0 inches)91%low
February Weather6°C (43°F)50 mm (2.0 inches)89%low
March Weather7°C (46°F)54 mm (2.1 inches)86%moderate
April Weather9°C (49°F)30 mm (1.2 inches)85%moderate
May Weather13°C (55°F)65 mm (2.6 inches)82%high
June Weather16°C (62°F)72 mm (2.9 inches)81%very high
July Weather18°C (65°F)65 mm (2.5 inches)76%very high
August Weather18°C (64°F)73 mm (2.9 inches)73%high
September Weather15°C (59°F)49 mm (1.9 inches)80%moderate
October Weather12°C (54°F)82 mm (3.2 inches)89%moderate
November Weather8°C (46°F)46 mm (1.8 inches)92%low
December Weather6°C (43°F)83 mm (3.3 inches)92%low

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