Henderson weather in April

In April, Henderson sees average daytime highs of 19°C and overnight lows near 16°C, with 82 mm of rain across 9.8 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 18°C by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of April to 10 h 30 min by month's end. Set against the rest of the year, April is Henderson's 5th-clearest and 10th-windiest month. For the whole year in context, see Henderson's year-round climate.

Daytime high
19°
5th warmest
Overnight low
16°
8th coldest
Rainfall
82 mm
9.8 wet days
Daylight
11 h 06 min
7:50 AM – 6:53 PM
Cloud cover
59%
5th clearest
Wind
18 km/h
10th windiest
Solar energy
3.47 kWh/m²
Travel score
6.0
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 18°C by the end.

A typical April day in Henderson reaches about 19°C in the afternoon and slips back to 16°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 20°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12017
22017
31917
41916
51916
61916
71916
81916
91916
101916
111916
121916
131916
141916
151916
161816
171816
181815
191815
201815
211815
221815
231815
241815
251815
261815
271815
281815
291815
301815

Henderson weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 18°718.714.26.6
Feb21° / 18°617.813.46.7
Mar20° / 17°67812.36.7
Apr19° / 16°829.811.16.0
May17° / 14°10712.310.15.1
Jun15° / 12°11612.79.54.1
Jul14° / 11°128159.73.6
Aug14° / 11°11515.210.63.6
Sep14° / 12°10213.411.74.0
Oct16° / 13°8411.9134.6
Nov17° / 14°7611.1145.2
Dec19° / 16°9110.914.55.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 22% of April, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55248
65248
75248
85149
95248
105248
115248
125248
135149
145149
155149
165149
175149
185050
194951
205050
214951
224951
235050
245050
254951
265050
275050
285050
295149
305149

Chance of precipitation in April

Any precipitation

Henderson gets around 82 mm of rain over 9.8 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
230
331
431
532
632
733
833
933
1033
1133
1233
1333
1433
1532
1632
1732
1832
1931
2031
2131
2231
2332
2432
2532
2632
2732
2832
2933
3033

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13238263
23438253
33538243
43738233
53838213
63938203
74038192
84238192
94337182
104437172
114537171
124637161
134637161
144736161
154836151
164836151
174836151
184936151
194936150
205036140
215135140
225135140
235135140
245334130
255334130
265334130
275533120
285533120
295632120
305632120

Wind in April

Winds average 18 km/h in April.

Across April, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 36 min at the start of April to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over April. Sunrise moves from 7:37 AM to 8:03 AM, and sunset from 7:16 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:377:16
211.67:387:14
311.67:397:13
411.57:397:11
511.57:407:10
611.47:417:08
711.47:427:07
811.47:437:05
911.37:447:04
1011.37:457:02
1111.37:467:01
1211.27:466:59
1311.27:476:58
1411.17:486:56
1511.17:496:55
1611.17:506:53
1711.07:516:52
1811.07:526:51
1910.97:536:49
2010.97:546:48
2110.97:546:47
2210.87:556:45
2310.87:566:44
2410.87:576:43
2510.77:586:41
2610.77:596:40
2710.68:006:39
2810.68:016:38
2910.68:026:36
3010.58:036:35

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.47 kWh/m².

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 7.25 kWh/m² in January across the year — April's 3.47 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
302.9Moderate
Planning a trip in April

Hazard calendar for Henderson

In seasonPeak

In April, Henderson sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Henderson sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is April a good time to visit Henderson?

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

6.0
Sightseeing
4th-best month of the year
2.3
Beach & pool
5th-best month of the year

April is a reasonable time to visit Henderson for sightseeing.

What to pack for Henderson in April

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

In April, Henderson sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Henderson in April

The nearest coast averages about 19°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 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 18 to Mar 15 — about 1.9 months when the water holds above 20°C.

15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb21Refreshing
Mar20Refreshing
Apr19Cool
May17Cool
Jun16Cool
Jul15Bracing
Aug14Bracing
Sep14Bracing
Oct15Cool
Nov17Cool
Dec19Cool

UV index in Henderson 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 Henderson peaks around January 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 12UV 12Jun 17UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul3Moderate
Aug4Moderate
Sep5Moderate
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Henderson?

Henderson sits at 36.9°S, 174.6°E, 13 m above sea level, in New Zealand. The nearest listed city is Lincoln, 2.0 km away.

Topography around Henderson

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

Within 3 km, the terrain around Henderson has only modest variations in elevation — a maximum elevation change of 107 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 465 m; within 80 km, large variations in elevation — a maximum elevation change of 905 m.

The land around Henderson is covered by artificial surfaces (47%) and trees (37%) within 3 km, trees (47%) and water (21%) within 16 km, and water (57%) and grassland (23%) within 80 km.

3 km
107 m
16 km
465 m
80 km
905 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Lincoln 2.0 km · Te Atatu South 3.0 km · Massey 5.0 km · Te Atatu Peninsula 5.0 km · Massey East 6.0 km · New Lynn 7.0 km · Titirangi 7.0 km · Avondale 7.0 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 Henderson (-36.8801°, 174.6198°, elevation 13 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).