Mayenne weather in December

In December, Mayenne sees average daytime highs of 8°C and overnight lows near 3°C, with 82 mm of precipitation across 12 wet days and about 8.2 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of December to 8 h 12 min by month's end. Set against the rest of the year, December is Mayenne's 10th-clearest and 2nd-windiest month. For the whole year in context, see Mayenne's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
82 mm
12 wet days
Daylight
8 h 06 min
8:54 AM – 5:03 PM
Cloud cover
74%
10th clearest
Wind
14 km/h
2nd windiest
Solar energy
0.85 kWh/m²
Travel score
1.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 8°C through the month.

A typical December day in Mayenne reaches about 8°C in the afternoon and slips back to 3°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
194
294
394
483
583
683
783
883
983
1083
1183
1283
1383
1483
1583
1683
1783
1883
1983
2083
2183
2283
2383
2483
2573
2673
2773
2873
2973
3073
3173

How December really feels in Mayenne

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
28
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Mayenne weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7611.40.78.61.0
Feb / 5910.50.89.91.4
Mar12° / 5910.60.411.62.9
Apr14° / 6011.2013.44.1
May18° / 6811.60155.4
Jun21° / 12°579.3015.86.3
Jul23° / 14°518.8015.57.0
Aug23° / 14°539014.17.0
Sep20° / 11°548.4012.46.3
Oct16° / 7411.7010.64.5
Nov11° / 7111.40.192.4
Dec / 82120.78.21.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32476
42575
52575
62575
72773
82773
92773
102773
112872
122872
132872
142872
152872
162674
172674
182674
192674
202575
212575
222575
232575
242575
252575
262575
272476
282575
292575
302476
312377

Chance of precipitation in December

Any precipitationSnow

Mayenne gets around 82 mm of rain and snow over 12 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1372
2372
3372
4382
5382
6382
7382
8382
9372
10372
11372
12372
13372
14382
15382
16383
17383
18383
19383
20393
21393
22393
23393
24393
25403
26403
27403
28402
29402
30402
31402

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 24 min at the start of December to 8 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:40 AM to 9:00 AM, and sunset from 5:05 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.48:405:05
28.48:415:04
38.48:425:04
48.38:435:04
58.38:445:03
68.38:455:03
78.38:465:03
88.38:475:03
98.28:485:03
108.28:495:02
118.28:505:02
128.28:515:02
138.28:525:02
148.28:535:03
158.28:545:03
168.18:545:03
178.18:555:03
188.18:565:03
198.18:565:04
208.18:575:04
218.18:575:04
228.18:585:05
238.18:585:05
248.18:595:06
258.18:595:07
268.18:595:07
278.19:005:08
288.19:005:09
298.29:005:09
308.29:005:10
318.29:005:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.85 kWh/m² to a high of 5.65 kWh/m² in June across the year — December's 0.85 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.0Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
90.9Dim
100.9Dim
110.9Dim
120.9Dim
130.9Dim
140.9Dim
150.9Dim
160.8Dim
170.8Dim
180.8Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Mayenne?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Mayenne.

What to pack for Mayenne in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Mayenne sees daytime highs around 8°C and nights near 3°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Mayenne in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mayenne peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Mayenne?

Mayenne sits at 48.3°N, 0.6°W, 100 m above sea level, in France. The nearest listed city is Laval, 28 km away.

Topography around Mayenne

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mayenne.

Within 3 km, the terrain around Mayenne has only modest variations in elevation — a maximum elevation change of 82 m around an average of 125 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 274 m; within 80 km, significant variations in elevation — a maximum elevation change of 439 m.

The land around Mayenne is covered by grassland (32%), cropland (27%) and trees (24%) within 3 km, cropland (39%), grassland (35%) and trees (24%) within 16 km, and cropland (44%), grassland (35%) and trees (20%) within 80 km.

3 km
82 m
16 km
274 m
80 km
439 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Laval 28 km · Fougères 44 km · Flers 48 km · Vitré 49 km · Alençon 54 km · Argentan 66 km · Le Mans 69 km · Cesson-Sévigné 76 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mayenne (48.3034°, -0.6138°, elevation 100 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).