Rotorua weather in May

In May, Rotorua sees average daytime highs of 14°C and overnight lows near 7°C, with 101 mm of rain across 10.3 wet days and about 10 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 15°C in the first days to 13°C by the end. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of May to 9 h 36 min by month's end. Set against the rest of the year, May is Rotorua's 2nd-clearest and 9th-windiest month. For the whole year in context, see Rotorua's year-round climate.

Daytime high
14°
8th warmest
Overnight low
5th coldest
Rainfall
101 mm
10.3 wet days
Daylight
9 h 54 min
8:13 AM – 6:10 PM
Cloud cover
61%
2nd clearest
Wind
11 km/h
9th windiest
Solar energy
2.22 kWh/m²
Travel score
4.1
out of 10

Rotorua is city in Bay of Plenty, New Zealand.

Air quality
Good
PM10 18.2 µg/m³ · 2012
Density
25/km²
people per km²
Founded
1883

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 15°C in the first days to 13°C by the end.

A typical May day in Rotorua reaches about 14°C in the afternoon and slips back to 7°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 16°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3158
4158
5158
6158
7158
8158
9158
10157
11157
12157
13147
14147
15147
16147
17147
18147
19147
20147
21147
22147
23137
24136
25136
26136
27136
28136
29136
30136
31136

Rotorua weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 13°8410.214.36.5
Feb22° / 13°818.913.56.6
Mar20° / 11°859.612.36.3
Apr17° / 1009.5115.5
May14° / 10110.3104.1
Jun12° / 10910.99.42.9
Jul11° / 11812.39.62.5
Aug12° / 11313.210.52.8
Sep14° / 1141311.73.5
Oct15° / 10312.7134.4
Nov18° / 9311.414.15.4
Dec20° / 11°1131314.65.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34555
44555
54555
64357
74357
84357
94357
104357
114357
124357
134357
144357
154357
164357
174456
184555
194555
204654
214654
224753
234852
244852
254951
264852
274852
284852
294852
305050
315050

Chance of precipitation in May

Any precipitation

Rotorua gets around 101 mm of rain over 10.3 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 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
931
1031
1131
1231
1332
1432
1533
1634
1734
1835
1935
2035
2136
2235
2335
2435
2535
2635
2735
2834
2934
3034
3134

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188111
288111
388111
489110
589110
690100
790100
890100
990100
109190
119190
129190
139190
149280
159280
169280
179280
189370
199370
209370
219460
229460
239460
249550
259550
269550
279640
289640
299640
309730
319730

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 24 min at the start of May to 9 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 7:59 AM to 8:25 AM, and sunset from 6:25 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:596:25
210.48:006:24
310.48:016:23
410.38:026:22
510.38:036:21
610.38:046:20
710.28:056:18
810.28:066:17
910.28:076:16
1010.18:086:15
1110.18:086:14
1210.18:096:13
1310.08:106:12
1410.08:116:11
1510.08:126:10
169.98:136:10
179.98:146:09
189.98:156:08
199.98:166:07
209.88:176:06
219.88:176:06
229.88:186:05
239.88:196:04
249.78:206:03
259.78:216:03
269.78:216:02
279.78:226:02
289.68:236:01
299.68:246:01
309.68:256:00
319.68:256:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.22 kWh/m².

For context, solar energy here swings from a low near 1.79 kWh/m² to a high of 6.59 kWh/m² in January across the year — May's 2.22 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.0Moderate
242.0Moderate
252.0Moderate
262.0Moderate
272.0Dim
282.0Dim
292.0Dim
301.9Dim
311.9Dim
Planning a trip in May

Is May a good time to visit Rotorua?

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

4.1
Sightseeing
8th-best month of the year
0.1
Beach & pool
8th-best month of the year

May is a reasonable time to visit Rotorua for sightseeing.

What to pack for Rotorua in May

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

In May, Rotorua sees daytime highs around 14°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Rotorua in May

The nearest coast averages about 18°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 44 km away) is warmest in February at about 21°C and coldest in August near 14°C.

It's comfortable for a long swim from Jan 22 to Mar 25 — about 2.1 months when the water holds above 20°C.

15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb21Refreshing
Mar20Refreshing
Apr19Cool
May18Cool
Jun16Cool
Jul15Bracing
Aug14Bracing
Sep14Bracing
Oct15Cool
Nov16Cool
Dec18Cool

UV index in Rotorua in May

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Rotorua peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateModerateHighVery highExtremeDec 22UV 12Jun 18UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Rotorua?

Rotorua sits at 38.1°S, 176.2°E, 287 m above sea level, in New Zealand. The nearest listed city is Tauranga, 51 km away.

Pukekohe EastNapier

Topography around Rotorua

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

Within 3 km, the terrain around Rotorua has only modest variations in elevation — a maximum elevation change of 84 m around an average of 292 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 572 m; within 80 km, large variations in elevation — a maximum elevation change of 1,180 m.

The land around Rotorua is covered by artificial surfaces (36%), trees (22%) and water (22%) within 3 km, trees (46%) and grassland (37%) within 16 km, and trees (44%) and grassland (36%) within 80 km.

3 km
84 m
16 km
572 m
80 km
1,180 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Tauranga 51 km · Taupo 62 km · Whakatane 68 km · Cambridge 76 km · Hamilton East 92 km · Hamilton 93 km · Pukekohe East 155 km · Napier 161 km

New Zealand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 86% of US
price level, 2025
GDP per capita
$49,591
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.5
per 100k, 2022
Road deaths
9.6
per 100k/yr, 2019
Income group
High
World Bank
Religion
no religion 49%Christian 37%objected to answering 7%Hindu 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 Rotorua (-38.1387°, 176.2452°, elevation 287 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).