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May Weather in Christchurch, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Christchurch, United Kingdom hovers around 12°C (55°F). You can expect minimums of 5°C (40°F) and maximums reaching up to 21°C (71°F). During this time, precipitation amounts to about 61 mm (2.4 in) spread over 10 days, coupled with an average humidity of 79%.

May Temperature in Christchurch

In May, in Christchurch, the average temperature is 12°C (55°F). The maximum can reach 21°C (71°F) and the minimum can be as low as 5°C (40°F). This pleasant climate makes Christchurch an ideal destination for travelers seeking mild weather during this time of year.

May Weather in Christchurch: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Christchurch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Christchurch, May typically has an average temperature of 12°C (55°F), with highs reaching up to 21°C (71°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec444546495460646461565047
Data source: Temperature data for Christchurch 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.

May Precipitation in Christchurch

In Christchurch in May, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

May Precipitation Trends in Christchurch

The chart displays monthly precipitation patterns in Christchurch, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Christchurch, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec79858139617865896113595129
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Christchurch

In Christchurch in May, humidity is 79%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that can make traveling uncomfortable; it can leave you feeling slightly clammy and require you to dress in layers to stay warm while navigating the thick, moisture-laden air.

May Average Humidity in Christchurch

This chart illustrates the average monthly humidity levels in Christchurch, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Christchurch is approximately 79%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Christchurch

In Christchurch in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Christchurch.

Maximum UV Index Levels in Christchurch for May

The chart shows the monthly maximum UV Index (UVI) for Christchurch in May, 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 May, the maximum UV index in Christchurch typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Christchurch May 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 May Weather in Christchurch Compares to Other Months

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

This table compares monthly weather conditions in Christchurch, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)79 mm (3.1 inches)91%low
February Weather7°C (45°F)85 mm (3.3 inches)89%low
March Weather8°C (47°F)81 mm (3.2 inches)86%moderate
April Weather10°C (49°F)39 mm (1.5 inches)85%moderate
May Weather12°C (55°F)61 mm (2.4 inches)79%high
June Weather16°C (61°F)78 mm (3.1 inches)80%very high
July Weather18°C (65°F)65 mm (2.5 inches)71%very high
August Weather18°C (64°F)89 mm (3.5 inches)76%high
September Weather16°C (61°F)60 mm (2.4 inches)82%high
October Weather13°C (56°F)135 mm (5.3 inches)90%moderate
November Weather10°C (50°F)95 mm (3.7 inches)92%low
December Weather8°C (47°F)129 mm (5.1 inches)92%low

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