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May Weather in Guadalcanal, Spain

Last updated: August 27, 2025

In May, the average temperature in Guadalcanal, Spain hovers around 19°C (67°F). You can expect a comfortable range with minimums dipping to 6°C (42°F) and maxing out at 36°C (97°F). During this month, the region experiences approximately 38 mm (1.5 in) of precipitation over 6 days, contributing to an average humidity level of 59%.

May Temperature in Guadalcanal

In May in Guadalcanal, the average temperature is 19°C (67°F), with maximums soaring to 36°C (97°F) and minimums dipping to 6°C (42°F). This range makes it an ideal time for travelers to experience a delightful mix of warm and cool weather.

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

The chart illustrates May temperature patterns in Guadalcanal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guadalcanal, May typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (97°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec465154586774808174655450
Data source: Temperature data for Guadalcanal 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 Guadalcanal

In Guadalcanal in May, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

May Precipitation Trends in Guadalcanal

The chart displays monthly precipitation patterns in Guadalcanal, 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 Guadalcanal, May typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec373085733865529565945
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guadalcanal

In Guadalcanal in May humidity is 59%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace that can be refreshing during sightseeing but may feel a bit sticky if you're on the move for extended periods.

May Average Humidity in Guadalcanal

This chart illustrates the average monthly humidity levels in Guadalcanal, 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 Guadalcanal is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%71%67%60%59%52%54%52%59%68%77%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Guadalcanal

In Guadalcanal in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Guadalcanal.

Maximum UV Index Levels in Guadalcanal for May

The chart shows the monthly maximum UV Index (UVI) for Guadalcanal 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 Guadalcanal typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109743
Data source: Guadalcanal 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 Guadalcanal Compares to Other Months

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

This table compares monthly weather conditions in Guadalcanal, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)36 mm (1.4 inches)79%moderate
February Weather11°C (52°F)30 mm (1.2 inches)71%moderate
March Weather12°C (54°F)85 mm (3.4 inches)67%high
April Weather14°C (58°F)73 mm (2.9 inches)60%very high
May Weather19°C (67°F)38 mm (1.5 inches)59%very high
June Weather23°C (74°F)6 mm (0.2 inches)52%extreme
July Weather27°C (81°F)5 mm (0.2 inches)54%extreme
August Weather27°C (82°F)5 mm (0.2 inches)51%very high
September Weather23°C (74°F)29 mm (1.1 inches)59%very high
October Weather19°C (66°F)56 mm (2.2 inches)68%high
November Weather12°C (54°F)58 mm (2.3 inches)77%moderate
December Weather10°C (50°F)45 mm (1.8 inches)81%moderate

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