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March Weather in Lannilis, France

Last updated: August 23, 2025

In March, the average temperature in Lannilis, France hovers around 9°C (49°F). However, be prepared for some variation, as temperatures can dip to a chilly -4°C (25°F) and rise to a pleasant 19°C (66°F). Expect a humid environment with an average humidity of 85%, along with 76 mm (3.0 in) of precipitation spread over 16 days throughout the month.

March Temperature in Lannilis

In March in Lannilis, the average temperature is 9°C (49°F). The maximum can reach 19°C (66°F), while the minimum can drop as low as -4°C (25°F). Be prepared for a mix of cool and mild weather, ideal for outdoor exploration and layering your clothing.

March Weather in Lannilis: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Lannilis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lannilis, March typically has an average temperature of 9°C (49°F), with highs reaching up to 19°C (66°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec474749515560636260565149
Data source: Temperature data for Lannilis 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 Lannilis

In Lannilis in March, the precipitation amount is 76 mm (3.0 in) over a span of 16 days.

March Precipitation Trends in Lannilis

The chart displays monthly precipitation patterns in Lannilis, 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 Lannilis, March typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec82987644577546595111499140
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Lannilis

In Lannilis in March humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.

March Average Humidity in Lannilis

This chart illustrates the average monthly humidity levels in Lannilis, 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 Lannilis is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Lannilis

In Lannilis in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Lannilis.

Maximum UV Index Levels in Lannilis for March

The chart shows the monthly maximum UV Index (UVI) for Lannilis 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 Lannilis typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Lannilis 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 Lannilis Compares to Other Months

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

This table compares monthly weather conditions in Lannilis, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)81 mm (3.2 inches)89%low
February Weather9°C (48°F)98 mm (3.9 inches)88%moderate
March Weather9°C (49°F)76 mm (3.0 inches)85%moderate
April Weather11°C (51°F)44 mm (1.7 inches)84%high
May Weather13°C (55°F)57 mm (2.3 inches)81%very high
June Weather15°C (60°F)75 mm (3.0 inches)77%very high
July Weather17°C (63°F)46 mm (1.8 inches)63%very high
August Weather17°C (62°F)59 mm (2.3 inches)71%very high
September Weather16°C (60°F)51 mm (2.0 inches)76%high
October Weather13°C (56°F)114 mm (4.5 inches)89%moderate
November Weather11°C (52°F)99 mm (3.9 inches)90%low
December Weather10°C (50°F)140 mm (5.5 inches)90%low

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