Saint Peter Port weather in April

In April, Saint Peter Port sees average daytime highs of 11°C and overnight lows near 9°C, with 50 mm of rain across 9.7 wet days and about 13.4 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. 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 30 min at the start of April to 14 h 18 min by month's end. Set against the rest of the year, April is Saint Peter Port's 6th-clearest and 8th-windiest month. For the whole year in context, see Saint Peter Port's year-round climate.

Daytime high
11°
9th warmest
Overnight low
5th coldest
Rainfall
50 mm
9.7 wet days
Daylight
13 h 30 min
5:26 AM – 6:55 PM
Cloud cover
59%
6th clearest
Wind
26 km/h
8th windiest
Solar energy
4.86 kWh/m²
Travel score
2.6
out of 10

Saint Peter Port is parish, port, and capital of Guernsey in the Channel Islands.

Density
2,537/km²
people per km²

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical April day in Saint Peter Port reaches about 11°C in the afternoon and slips back to 9°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 12°C. Set against its neighbours, April runs about 1°C warmer than March and about 2°C cooler than May.

10°13°15°151015202530
Avg high (°C)Avg low (°C)
1108
2108
3108
4109
5109
6109
7109
8109
9109
10109
11109
12109
13109
14119
15119
16119
17119
18119
19119
20119
21119
22119
231110
241110
251110
261110
271110
281110
291110
301110

Saint Peter Port weather by month

How April compares with the rest of the year at a glance. April is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 9815.78.41.8
Feb / 7413.39.81.7
Mar10° / 5811.511.52.0
Apr11° / 509.713.42.6
May13° / 11°457.915.13.6
Jun15° / 13°427.5164.7
Jul17° / 15°366.915.65.7
Aug17° / 16°508.614.25.9
Sep17° / 15°579.412.45.5
Oct15° / 14°1071510.54.1
Nov13° / 11°12117.78.92.8
Dec11° / 1211782.2

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 17% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24951
34951
45050
55050
65050
75149
85149
95248
105248
115248
125248
135248
145149
155248
165149
175050
185050
194951
204852
214852
224753
234654
244555
254555
264456
274456
284456
294456
304456

Chance of precipitation in April

Any precipitation

Saint Peter Port gets around 50 mm of rain over 9.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
334
433
532
632
731
831
930
1030
1130
1229
1329
1429
1530
1630
1730
1831
1931
2032
2132
2233
2333
2433
2532
2632
2731
2831
2930
3030

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 26 km/h in April.

Across April, daily wind ranges from about 25 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
128breezy
227breezy
327breezy
427breezy
527breezy
627breezy
726breezy
826breezy
926breezy
1026breezy
1126breezy
1226breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over April. Sunrise moves from 5:58 AM to 4:59 AM, and sunset from 6:31 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:586:31
212.65:566:33
312.75:546:34
412.75:526:36
512.85:506:38
612.95:476:39
712.95:456:41
813.05:436:42
913.05:416:44
1013.15:396:45
1113.25:376:47
1213.25:356:48
1313.35:326:50
1413.45:306:52
1513.45:286:53
1613.55:266:55
1713.55:246:56
1813.65:226:58
1913.75:206:59
2013.75:187:01
2113.85:167:02
2213.85:147:04
2313.95:127:05
2413.95:107:07
2514.05:087:09
2614.15:067:10
2714.15:047:12
2814.25:027:13
2914.25:017:15
3014.34:597:16

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.86 kWh/m².

For context, solar energy here swings from a low near 0.8 kWh/m² to a high of 6.39 kWh/m² in June across the year — April's 4.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.3Bright
54.4Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Hazard calendar for Saint Peter Port

In seasonPeak

None of Saint Peter Port's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Saint Peter Port's rainy season runs September–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Saint Peter Port?

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

2.6
Sightseeing
8th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Saint Peter Port.

What to pack for Saint Peter Port in April

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

In April, Saint Peter Port sees daytime highs around 11°C and nights near 9°C. Pack a warm layer. Worth having: rain gear, sun protection and a windbreaker. About 10 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Saint Peter Port in April

The nearest coast averages about 10°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 September at about 17°C and coldest in March near 9°C.

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

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Saint Peter Port in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint Peter Port peaks around August 12 at about 6 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 12UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saint Peter Port?

Saint Peter Port sits at 49.5°N, 2.5°W, 10 m above sea level, in Guernsey. The nearest listed city is Saint Helier, 43 km away.

Topography around Saint Peter Port

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

Within 3 km, the terrain around Saint Peter Port has only modest variations in elevation — a maximum elevation change of 105 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, only modest variations in elevation — a maximum elevation change of 191 m.

The land around Saint Peter Port is covered by water (41%) and trees (25%) within 3 km, water (91%) within 16 km, and water (88%) within 80 km.

3 km
105 m
16 km
108 m
80 km
191 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Saint Helier 43 km · Octeville 67 km · Équeurdreville-Hainneville 67 km · Cherbourg 69 km · Tourlaville 73 km · Saint-Malo 98 km · Lannion 105 km · Saint-Brieuc 106 km

Guernsey travel facts

Power plugs
Type G
230 V · 50 Hz

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 Saint Peter Port (49.4598°, -2.5353°, elevation 10 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).