Dieppe weather in January

In January, Dieppe sees average daytime highs of 8°C and overnight lows near 4°C, with 74 mm of precipitation across 13.2 wet days and about 8.4 hours of daylight. It is the 12th-warmest and 4th-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 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 54 min at the start of January to 9 hours by month's end. Set against the rest of the year, January is Dieppe's 10th-clearest and 1st-windiest month. For the whole year in context, see Dieppe's year-round climate.

Daytime high
12th warmest
Overnight low
2nd coldest
Precipitation
74 mm
13.2 wet days
Daylight
8 h 18 min
8:55 AM – 5:15 PM
Cloud cover
74%
10th clearest
Wind
24 km/h
1st windiest
Solar energy
0.94 kWh/m²
Travel score
1.0
out of 10
Air quality
Moderate
PM2.5 11.3 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Dieppe reaches about 8°C in the afternoon and slips back to 4°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 11°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
184
284
384
484
584
684
784
885
985
1085
1184
1284
1384
1484
1584
1684
1784
1884
1974
2074
2174
2274
2374
2474
2574
2674
2774
2874
2974
3074
3174

How January really feels in Dieppe

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Dieppe weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7413.20.78.41.0
Feb / 6112.30.89.71.1
Mar10° / 5811.60.511.52.1
Apr12° / 55110.113.53.2
May15° / 10°6111.3015.14.4
Jun18° / 13°5810.40165.6
Jul20° / 15°5410.5015.76.3
Aug20° / 15°6911.1014.36.2
Sep18° / 13°6311012.45.7
Oct15° / 11°8914.4010.54.0
Nov11° / 9315.70.18.82.3
Dec / 10014.90.781.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42773
52872
62872
72872
82971
93070
103070
113169
123070
133070
143070
153169
163169
173169
183169
193070
202971
212872
222872
232773
242674
252773
262674
272674
282476
292476
302476
312476

Chance of precipitation in January

Any precipitationSnow

Dieppe gets around 74 mm of rain and snow over 13.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 43% and peaks near 46% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1462
2462
3452
4452
5452
6452
7442
8442
9442
10442
11432
12432
13432
14432
15432
16432
17422
18422
19422
20422
21422
22423
23423
24413
25413
26413
27413
28413
29413
30413
31423

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 24 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1824breezy
1924breezy
2024breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 54 min at the start of January to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over January. Sunrise moves from 9:01 AM to 8:40 AM, and sunset from 4:57 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.99:014:57
28.09:014:58
38.09:014:59
48.09:005:00
58.09:005:01
68.09:005:02
78.19:005:03
88.18:595:04
98.18:595:05
108.18:595:07
118.28:585:08
128.28:585:09
138.28:575:10
148.38:575:12
158.38:565:13
168.38:555:15
178.48:555:16
188.48:545:17
198.48:535:19
208.58:525:20
218.58:515:22
228.58:515:23
238.68:505:25
248.68:495:26
258.78:475:28
268.78:465:30
278.88:455:31
288.88:445:33
298.98:435:34
308.98:425:36
319.08:405:38

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.94 kWh/m².

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 6.06 kWh/m² in June across the year — January's 0.94 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.9Dim
120.9Dim
130.9Dim
140.9Dim
150.9Dim
160.9Dim
170.9Dim
181.0Dim
191.0Dim
201.0Dim
211.0Dim
221.0Dim
231.1Dim
241.1Dim
251.1Dim
261.1Dim
271.1Dim
281.2Dim
291.2Dim
301.2Dim
311.3Dim
Planning a trip in January

Is January a good time to visit Dieppe?

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

1.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Dieppe.

What to pack for Dieppe in January

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

In January, Dieppe sees daytime highs around 8°C and nights near 4°C. Pack a warm layer. Worth having: a heavy coat, rain gear and a windbreaker. About 13 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Dieppe in January

The nearest coast averages about 8°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in August at about 18°C and coldest in February near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan8Bracing
Feb8Bracing
Mar8Bracing
Apr10Bracing
May12Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep18Cool
Oct16Cool
Nov13Bracing
Dec10Bracing

UV index in Dieppe in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Dieppe peaks around June 19 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul6High
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Dieppe in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Dieppe is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (November, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Dieppe's WHO annual average of 11.3 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2415 µg/m³Nov 168 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun12Moderate
Jul11Good
Aug11Good
Sep11Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Dieppe?

Dieppe sits at 49.9°N, 1.1°E, 9 m above sea level, in France. The nearest listed city is Mont-Saint-Aignan, 51 km away.

Topography around Dieppe

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

Within 3 km, the terrain around Dieppe has only modest variations in elevation — a maximum elevation change of 101 m around an average of 33 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 265 m.

The land around Dieppe is covered by water (34%) and artificial surfaces (24%) within 3 km, water (43%) and cropland (29%) within 16 km, and cropland (38%) and water (29%) within 80 km.

3 km
101 m
16 km
191 m
80 km
265 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Mont-Saint-Aignan 51 km · Rouen 53 km · Fécamp 54 km · Canteleu 54 km · Le Petit-Quevilly 57 km · Sotteville-lès-Rouen 57 km · Abbeville 58 km · Le Grand-Quevilly 58 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 Dieppe (49.9216°, 1.0777°, elevation 9 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).