Andover weather in May

In May, Andover sees average daytime highs of 16°C and overnight lows near 8°C, with 61 mm of rain across 10.7 wet days and about 15.3 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 14% 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 16 hours by month's end. Set against the rest of the year, May is Andover's 4th-clearest and 8th-windiest month. For the whole year in context, see Andover's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
61 mm
10.7 wet days
Daylight
15 h 18 min
4:22 AM – 7:42 PM
Cloud cover
70%
4th clearest
Wind
15 km/h
8th windiest
Solar energy
5.04 kWh/m²
Travel score
4.7
out of 10

Andover is town and civil parish in Hampshire, England.

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 15°C in the first days to 17°C by the end.

A typical May day in Andover reaches about 16°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1147
2157
3157
4157
5157
6157
7157
8157
9157
10157
11157
12168
13168
14168
15168
16168
17168
18168
19168
20168
21179
22179
23179
24179
25179
26179
27179
28179
29179
301710
311710

How May really feels in Andover

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.

Andover weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6311.40.88.20.9
Feb / 489.70.99.61.1
Mar10° / 4910.10.611.52.2
Apr13° / 5711.30.213.53.4
May16° / 6110.7015.34.7
Jun19° / 11°5610.3016.35.8
Jul21° / 13°5810.4015.96.3
Aug21° / 13°6710.9014.46.1
Sep18° / 10°539.2012.45.7
Oct14° / 7011.2010.43.9
Nov10° / 7011.50.18.72.2
Dec / 67110.87.71.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33367
43367
53268
63169
73169
83268
93268
103268
113268
123169
133169
143169
153070
163070
173070
182971
193070
202971
212971
223070
232971
242971
252971
262971
272971
283070
293070
303070
313070

Chance of precipitation in May

Any precipitation

Andover gets around 61 mm of rain over 10.7 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
338
437
536
636
735
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2135
2235
2336
2436
2536
2635
2735
2836
2936
3036
3136

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4982
5982
6982
7982
8982
9973
10973
11973
12973
13973
14973
15973
16964
17964
18964
19964
20955
21955
22955
23946
24946
25937
26937
27928
28928
29919
30919
319010

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light 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 May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 16 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 4:48 AM to 4:05 AM, and sunset from 7:18 PM to 8:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:487:18
214.64:467:20
314.64:447:22
414.74:427:23
514.74:417:25
614.84:397:26
714.84:377:28
814.94:357:30
915.04:347:31
1015.04:327:33
1115.14:307:34
1215.14:297:36
1315.24:277:37
1415.24:257:39
1515.34:247:40
1615.34:227:42
1715.44:217:43
1815.44:207:45
1915.54:187:46
2015.54:177:48
2115.64:167:49
2215.64:147:51
2315.74:137:52
2415.74:127:53
2515.74:117:55
2615.84:107:56
2715.84:087:57
2815.94:077:59
2915.94:068:00
3015.94:068:01
3116.04:058:02

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.04 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 5.3 kWh/m² in June across the year — May's 5.04 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in May

Is May a good time to visit Andover?

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

4.7
Sightseeing
5th-best month of the year
0.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Andover for sightseeing.

What to pack for Andover in May

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

In May, Andover sees daytime highs around 16°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Andover 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 66 km away) is warmest in August at about 18°C and coldest in March 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
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov13Bracing
Dec11Bracing

UV index in Andover 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 Andover 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
Apr4Moderate
May6High
Jun6High
Jul6High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Andover?

Andover sits at 51.2°N, 1.5°W, 71 m above sea level, in United Kingdom. The nearest listed city is Winchester, 20 km away.

Topography around Andover

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

Within 3 km, the terrain around Andover has only modest variations in elevation — a maximum elevation change of 76 m around an average of 80 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, significant variations in elevation — a maximum elevation change of 311 m.

The land around Andover is covered by trees (28%), cropland (27%) and artificial surfaces (24%) within 3 km, cropland (48%), grassland (28%) and trees (22%) within 16 km, and grassland (37%), cropland (26%) and trees (22%) within 80 km.

3 km
76 m
16 km
270 m
80 km
311 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Winchester 20 km · Newbury 24 km · Romsey 25 km · Salisbury 26 km · Thatcham 27 km · Basingstoke 29 km · Eastleigh 29 km · Bishopstoke 30 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 Andover (51.2114°, -1.4939°, elevation 71 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).