Barnstaple weather in May

In May, Barnstaple sees average daytime highs of 14°C and overnight lows near 8°C, with 63 mm of rain across 12.2 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 16°C by the end. The sky is clear or mostly clear about 16% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 15 h 54 min by month's end. Set against the rest of the year, May is Barnstaple's 2nd-clearest and 8th-windiest month. For the whole year in context, see Barnstaple's year-round climate.

Daytime high
14°
5th warmest
Overnight low
7th coldest
Rainfall
63 mm
12.2 wet days
Daylight
15 h 18 min
4:33 AM – 7:52 PM
Cloud cover
68%
2nd clearest
Wind
17 km/h
8th windiest
Solar energy
5.18 kWh/m²
Travel score
3.9
out of 10

Barnstaple is town and civil parish in Devon, England.

Air quality
Good
PM2.5 8.1 µg/m³ · 2019
Density
3,638/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 16°C by the end.

A typical May day in Barnstaple reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1137
2137
3137
4137
5137
6147
7147
8148
9148
10148
11148
12148
13148
14148
15148
16148
17148
18158
19159
20159
21159
22159
23159
24159
25159
26159
27159
28169
291610
301610
311610

How May really feels in Barnstaple

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Barnstaple weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7914.50.88.21.1
Feb / 6511.80.79.61.2
Mar / 6312.80.511.51.8
Apr12° / 6311.90.113.52.9
May14° / 6312.2015.33.9
Jun17° / 11°6511.9016.25.0
Jul19° / 13°6712.6015.95.6
Aug19° / 13°7112.8014.45.5
Sep17° / 11°6111.1012.45.0
Oct14° / 8414.2010.43.5
Nov11° / 8815.208.72.1
Dec / 9514.60.37.81.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33565
43565
53565
63664
73664
83565
93565
103367
113268
123268
133268
143169
153169
163169
173268
183169
193070
203070
213070
223169
233169
243169
253268
263268
273268
283367
293367
303466
313466

Chance of precipitation in May

Any precipitation

Barnstaple gets around 63 mm of rain over 12.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
343
442
542
642
742
842
942
1042
1142
1242
1342
1442
1542
1641
1741
1841
1940
2040
2140
2239
2339
2439
2539
2639
2739
2839
2940
3040
3141

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6982
7982
8982
9982
10982
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21964
22964
23964
24964
25955
26955
27946
28946
29937
30937
31928

Wind in May

Winds average 17 km/h in May.

Across May, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 15 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over May. Sunrise moves from 4:59 AM to 4:15 AM, and sunset from 7:28 PM to 8:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:597:28
214.54:577:30
314.64:557:31
414.74:537:33
514.74:517:35
614.84:497:36
714.84:487:38
814.94:467:39
914.94:447:41
1015.04:437:43
1115.14:417:44
1215.14:397:46
1315.24:387:47
1415.24:367:49
1515.34:357:50
1615.34:337:52
1715.44:327:53
1815.44:307:55
1915.54:297:56
2015.54:287:58
2115.54:267:59
2215.64:258:00
2315.64:248:02
2415.74:238:03
2515.74:218:04
2615.84:208:06
2715.84:198:07
2815.84:188:08
2915.94:178:09
3015.94:168:11
3115.94:158:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 5.43 kWh/m² in June across the year — May's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Barnstaple?

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

3.9
Sightseeing
5th-best month of the year
0.1
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Barnstaple.

What to pack for Barnstaple in May

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

In May, Barnstaple sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Barnstaple in May

The nearest coast averages about 11°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in August at about 17°C and coldest in February near 8°C.

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

10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug17Cool
Sep17Cool
Oct15Cool
Nov13Bracing
Dec11Bracing

UV index in Barnstaple in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Barnstaple peaks around August 13 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 13UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Barnstaple?

Barnstaple sits at 51.1°N, 4.1°W, 12 m above sea level, in United Kingdom. The nearest listed city is Bideford, 13 km away.

Topography around Barnstaple

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

Within 3 km, the terrain around Barnstaple has only modest variations in elevation — a maximum elevation change of 156 m around an average of 44 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, large variations in elevation — a maximum elevation change of 652 m.

The land around Barnstaple is covered by grassland (47%) and trees (24%) within 3 km, grassland (60%) within 16 km, and water (42%) and grassland (38%) within 80 km.

3 km
156 m
16 km
475 m
80 km
652 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Bideford 13 km · Tiverton 44 km · Porthcawl 51 km · Exeter 54 km · Heavitree 56 km · Bridgend 58 km · Coity 60 km · Swansea 61 km

United Kingdom travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 89% of US
price level, 2025
GDP per capita
$57,602
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2021
Road deaths
3.2
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 60%none 26%Muslim 4%other 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 Barnstaple (51.0802°, -4.0581°, elevation 12 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).