Hamilton weather in April
In April, Hamilton has daytime highs averaging 19 °C, nights around 11 °C, with 10 wet days. Figures are 1991–2020 climate normals.
- 18.8°C Average high
- 10.7°C Average low
- 10days Wet days
- 93mm Rainfall
- 11h Daylight
Daily temperatures through April
How April develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 April | 19.9 °C | 11.5 °C | 33 % |
| 11–20 April | 18.7 °C | 10.6 °C | 33 % |
| 21–30 April | 17.8 °C | 10.0 °C | 34 % |
- Average highs fall from 19.9 °C early in April to 17.8 °C by the end of it.
What to expect
| Measure | Typical April | Share of the month |
|---|---|---|
| Days above 25 °C | 0.07 of 30 | 0 % |
| Days above 30 °C | 0 of 30 | 0 % |
| Days below 0 °C | 0 of 30 | 0 % |
| Days with more than 1 mm rain | 10 of 30 | 34 % |
Conditions in April
| Measure | Average |
|---|---|
| Mean temperature | 14 °C |
| Record high (1991–2020) | 25 °C |
| Record low (1991–2020) | 0.1 °C |
| Relative humidity | 81 % |
| Wind speed | 20 km/h |
| Cloud cover | 60 % |
April compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| February | 23.4 °C | 71 mm | 59 % |
| March | 21.6 °C | 73 mm | 57 % |
| April | 18.8 °C | 93 mm | 60 % |
| May | 16.0 °C | 105 mm | 60 % |
| June | 13.8 °C | 114 mm | 60 % |
See all twelve months for Hamilton
- April is the 5th warmest month here.
- It is the 5th driest month of the year.
- It ranks 6th for least cloud cover.
- Days last about 11 hours from sunrise to sunset.
- It rains on 10 of 30 days — 34 % of the month.
- Nights are about 8.1 °C cooler than the middle of the day.
- The hottest April day on record since 1991 reached 25 °C, 6.5 °C above the usual daytime high.
QuestionsApril in Hamilton, answered
How warm is Hamilton in April?
Daily highs average 19 °C and nights fall to about 11 °C, a spread of 8.1 °C between afternoon and dawn. That makes April the 5th warmest month of the year here.
Does it rain much in Hamilton in April?
April averages 93 mm of rain, spread over about 10 of the 30 days — 34 % of the month. Cloud cover averages 60 % of the sky.
How long are the days in April?
Hamilton averages 11 hours between sunrise and sunset in April. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.