May Weather in Mont-de-Marsan, France

Last updated: August 23, 2025

In Mont-de-Marsan, France, the average temperature in May hovers around 17°C (63°F), making it a comfortable time to explore. However, be prepared for a range, as temperatures can dip to a chilly 2°C (36°F) or soar to a hot 35°C (95°F). Expect some moisture, with approximately 100 mm (3.9 in) of precipitation spread across 14 days, and note that the average humidity is a humid 80%.

May Temperature in Mont-de-Marsan

In May in Mont-de-Marsan, the average temperature is 17°C (63°F), with maximums reaching 35°C (95°F) and minimums dipping as low as 2°C (36°F). This range makes it a perfect destination for travelers seeking a variety of weather experiences, from warm days to cooler evenings.

May Weather in Mont-de-Marsan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mont-de-Marsan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mont-de-Marsan, May typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Mont-de-Marsan generated using information from the Copernicus Climate Change Service.

May Precipitation in Mont-de-Marsan

In Mont-de-Marsan in May, the total precipitation amount is 100 mm (3.9 in) spread over 14 days.

May Precipitation Trends in Mont-de-Marsan

The chart displays monthly precipitation patterns in Mont-de-Marsan, 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 Mont-de-Marsan, May typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Mont-de-Marsan

In Mont-de-Marsan in May humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

May Average Humidity in Mont-de-Marsan

This chart illustrates the average monthly humidity levels in Mont-de-Marsan, 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 Mont-de-Marsan is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mont-de-Marsan

In Mont-de-Marsan in May, 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 Mont-de-Marsan.

Maximum UV Index Levels in Mont-de-Marsan for May

The chart shows the monthly maximum UV Index (UVI) for Mont-de-Marsan 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 Mont-de-Marsan typically reaches 8, which falls under the very high exposure category.

Data source: Mont-de-Marsan 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 Mont-de-Marsan Compares to Other Months

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

This table compares monthly weather conditions in Mont-de-Marsan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	62 mm (2.4 inches)	86%	low
February Weather	9°C (49°F)	59 mm (2.3 inches)	85%	moderate
March Weather	11°C (52°F)	63 mm (2.5 inches)	82%	moderate
April Weather	14°C (57°F)	62 mm (2.4 inches)	81%	high
May Weather	17°C (63°F)	100 mm (3.9 inches)	80%	very high
June Weather	21°C (70°F)	83 mm (3.3 inches)	81%	very high
July Weather	23°C (73°F)	44 mm (1.7 inches)	80%	very high
August Weather	23°C (73°F)	47 mm (1.9 inches)	76%	very high
September Weather	20°C (68°F)	53 mm (2.1 inches)	75%	high
October Weather	15°C (60°F)	69 mm (2.7 inches)	81%	moderate
November Weather	10°C (50°F)	82 mm (3.2 inches)	85%	moderate
December Weather	8°C (48°F)	113 mm (4.5 inches)	87%	low