Alofi weather in May

In May, Alofi sees average daytime highs of 26°C and overnight lows near 25°C, with 140 mm of rain across 12.6 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 54 min by month's end. Set against the rest of the year, May is Alofi's 5th-clearest and 6th-windiest month. For the whole year in context, see Alofi's year-round climate.

Daytime high
26°
6th warmest
Overnight low
25°
7th coldest
Rainfall
140 mm
12.6 wet days
Daylight
11 h 06 min
6:43 AM – 5:49 PM
Cloud cover
60%
5th clearest
Wind
25 km/h
6th windiest
Solar energy
4.01 kWh/m²
Travel score
6.3
out of 10

Alofi is capital of Niue.

Density
13/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

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in Alofi reaches about 26°C in the afternoon and slips back to 25°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12625
22625
32625
42625
52625
62625
72625
82625
92625
102625
112625
122625
132625
142625
152625
162625
172625
182625
192625
202625
212625
222625
232625
242625
252625
262625
272625
282625
292625
302625
312625

Alofi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°24820.4134.9
Feb27° / 26°21319.412.64.7
Mar27° / 26°22121.612.14.8
Apr27° / 26°17716.611.65.4
May26° / 25°14012.611.16.3
Jun25° / 24°749.410.96.8
Jul25° / 24°839.4117.1
Aug24° / 23°789.411.47.1
Sep25° / 24°9110.111.96.9
Oct25° / 24°11612.512.46.4
Nov26° / 25°12614.412.95.8
Dec27° / 25°18717.513.15.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
65050
75050
85050
94951
104951
114951
124951
134951
144951
154852
164852
174951
184951
194951
204852
214852
224951
234951
244951
254951
264852
274852
284852
294852
304951
314951

Chance of precipitation in May

Any precipitation

Alofi gets around 140 mm of rain over 12.6 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 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
252
351
450
549
647
746
845
944
1043
1142
1241
1341
1440
1540
1640
1739
1839
1939
2039
2138
2238
2337
2437
2536
2636
2736
2835
2935
3035
3134

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10323713
20324712
30425692
40525682
50526672
60626662
70727642
80827632
90928612
1011028592
1111129572
1211329552
1311430532
1411530522
1511530522
1611630512
1711730492
1821730492
1921830482
2021830482
2121830482
2221831482
2321831482
2421831482
2521831482
2621731482
2721732482
2821732482
2921633482
3021633482
3121534472

Wind in May

Winds average 25 km/h in May.

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

0102030151015202531
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 18 min at the start of May to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 6:37 AM to 6:49 AM, and sunset from 5:56 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:375:56
211.36:385:56
311.36:385:55
411.36:385:55
511.36:395:54
611.26:395:54
711.26:395:53
811.26:405:53
911.26:405:52
1011.26:415:52
1111.26:415:51
1211.26:415:51
1311.16:425:50
1411.16:425:50
1511.16:425:49
1611.16:435:49
1711.16:435:49
1811.16:445:48
1911.16:445:48
2011.16:445:48
2111.06:455:47
2211.06:455:47
2311.06:465:47
2411.06:465:47
2511.06:465:46
2611.06:475:46
2711.06:475:46
2811.06:485:46
2911.06:485:46
3011.06:485:46
3110.96:495:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.01 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 6.59 kWh/m² in December across the year — May's 4.01 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.0Bright
154.0Bright
164.0Bright
174.0Moderate
184.0Moderate
194.0Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in May

Is May a good time to visit Alofi?

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

6.3
Sightseeing
6th-best month of the year
6.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Alofi for sightseeing.

What to pack for Alofi in May

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

In May, Alofi sees daytime highs around 26°C and nights near 25°C. Worth packing: light clothes, rain gear and a windbreaker. About 13 days see rain.

light clothesrain geara windbreaker

Sea temperature near Alofi in May

The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Alofi in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alofi peaks around February 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 11UV 16Jul 11UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug8Very high
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Alofi?

Alofi sits at 19.1°S, 169.9°W, 51 m above sea level, in Niue. The nearest listed city is Pago Pago, 537 km away.

Topography around Alofi

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

Within 3 km, the terrain around Alofi has only modest variations in elevation — a maximum elevation change of 82 m around an average of 38 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, only modest variations in elevation — a maximum elevation change of 90 m.

The land around Alofi is covered by trees (56%) and water (36%) within 3 km, water (68%) and trees (31%) within 16 km, and water (95%) within 80 km.

3 km
82 m
16 km
93 m
80 km
90 m
treesgrasslandartificial surfaceswater
May weather nearby: Pago Pago 537 km · Nuku‘alofa 598 km · Apia 613 km · Mata-Utu 926 km · Avarua 1,086 km · Levuka 1,140 km · Labasa 1,171 km · Nasinu 1,224 km

Niue travel facts

Power plugs
Type I
230 V · 50 Hz
Religion
Ekalesia Niue 62%Latter Day Saints 9%Roman Catholic 8%other 8%

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 Alofi (-19.0529°, -169.9196°, elevation 51 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).