Grimstad weather in April

In April, Grimstad sees average daytime highs of 10°C and overnight lows near 4°C, with 58 mm of precipitation across 9.9 wet days and about 14 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 11°C by the end. The sky is clear or mostly clear about 32% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of April to 15 h 12 min by month's end. Set against the rest of the year, April is Grimstad's 5th-clearest and 8th-windiest month. For the whole year in context, see Grimstad's year-round climate.

Daytime high
10°
7th warmest
Overnight low
6th coldest
Precipitation
58 mm
9.9 wet days
Daylight
14 h 06 min
5:24 AM – 7:28 PM
Cloud cover
60%
5th clearest
Wind
16 km/h
8th windiest
Solar energy
4.16 kWh/m²
Travel score
2.1
out of 10

Grimstad is settlement in Grimstad Municipality, Norway.

Density
2,552/km²
people per km²
Founded
1816

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 11°C by the end.

A typical April day in Grimstad reaches about 10°C in the afternoon and slips back to 4°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 13°C. Set against its neighbours, April runs about 4°C warmer than March and about 5°C cooler than May.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
182
282
382
482
582
683
783
883
993
1093
1193
1293
1393
1493
1594
16104
17104
18104
19104
20104
21104
22115
23115
24115
25115
26115
27115
28115
29126
30126

How April really feels in Grimstad

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 15 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
15
wind chill below the day's low

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

Grimstad weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°10714.47.66.80.0
Feb / -1°7911.478.90.0
Mar / 7110.14.811.40.4
Apr10° / 589.91.3142.1
May14° / 6310016.44.2
Jun18° / 11°759.5017.85.8
Jul20° / 14°729.7017.26.4
Aug20° / 14°10112015.16.0
Sep16° / 11°10512.4012.54.6
Oct11° / 11914.10.39.92.5
Nov / 11514.82.47.50.8
Dec / 104144.26.20.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54753
64654
74654
84654
94654
104654
114654
124654
134753
144753
154852
164852
174852
184852
194852
204852
214852
224852
234852
244654
254654
264753
274654
284654
294654
304753

Chance of precipitation in April

Any precipitationSnow

Grimstad gets around 58 mm of rain and snow over 9.9 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 35% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1307
2307
3306
4306
5306
6316
7316
8316
9306
10306
11295
12295
13285
14284
15284
16284
17294
18293
19303
20313
21323
22332
23342
24342
25352
26352
27351
28351
29351
30351

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 16 km/h in April.

Across April, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2415light breeze
2515light breeze
2615light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 48 min at the start of April to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 144 minutes over April. Sunrise moves from 6:07 AM to 4:46 AM, and sunset from 6:53 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:076:53
212.86:046:55
312.96:026:58
413.05:597:00
513.15:567:02
613.25:537:05
713.35:507:07
813.45:477:09
913.55:447:12
1013.55:417:14
1113.65:387:16
1213.75:357:18
1313.85:337:21
1413.95:307:23
1514.05:277:25
1614.15:247:28
1714.15:217:30
1814.25:197:32
1914.35:167:34
2014.45:137:37
2114.55:107:39
2214.65:077:41
2314.65:057:44
2414.75:027:46
2514.84:597:48
2614.94:577:51
2715.04:547:53
2815.14:517:55
2915.14:497:57
3015.24:468:00

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.16 kWh/m².

For context, solar energy here swings from a low near 0.28 kWh/m² to a high of 6.12 kWh/m² in June across the year — April's 4.16 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.4Moderate
23.5Moderate
33.5Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Bright
134.1Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Grimstad?

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

2.1
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Grimstad.

What to pack for Grimstad in April

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

In April, Grimstad sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Grimstad in April

The nearest coast averages about 6°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 4°C.

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

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan5Bracing
Feb4Bracing
Mar4Bracing
Apr6Bracing
May10Bracing
Jun15Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct12Bracing
Nov9Bracing
Dec7Bracing

UV index in Grimstad in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grimstad peaks around August 10 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateLowAug 10UV 5Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun4Moderate
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Grimstad?

Grimstad sits at 58.3°N, 8.6°E, 9 m above sea level, in Norway. The nearest listed city is Arendal, 17 km away.

Topography around Grimstad

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

Within 3 km, the terrain around Grimstad has only modest variations in elevation — a maximum elevation change of 124 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 340 m; within 80 km, large variations in elevation — a maximum elevation change of 930 m.

The land around Grimstad is covered by trees (39%) and water (30%) within 3 km, water (51%) and trees (40%) within 16 km, and trees (56%) and water (37%) within 80 km.

3 km
124 m
16 km
340 m
80 km
930 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Arendal 17 km · Kristiansand 41 km · Porsgrunn 108 km · Skien 113 km · Larvik 115 km · Hjørring 127 km · Sandefjord 128 km · Skagen 136 km

Norway travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 91% of US
price level, 2025
GDP per capita
$94,594
2025
Happiness
7.2 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
2.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 613
Religion
Church of Norway 68%other Christian 4%Muslim 3%Roman Catholic 3%

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 Grimstad (58.3405°, 8.5934°, 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).