Hamilton weather in June
In June, Hamilton has daytime highs averaging 14 °C, nights around 6.5 °C, with 13 wet days. Figures are 1991–2020 climate normals.
- 13.8°C Average high
- 6.5°C Average low
- 13days Wet days
- 114mm Rainfall
- 9.6h Daylight
Daily temperatures through June
How June 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 June | 14.2 °C | 6.8 °C | 38 % |
| 11–20 June | 13.9 °C | 6.8 °C | 45 % |
| 21–30 June | 13.2 °C | 6.1 °C | 44 % |
- Rain is most likely over days 11–20 of June (45 % of days) and least likely over days 1–10 (38 %).
What to expect
| Measure | Typical June | Share of the month |
|---|---|---|
| Days above 25 °C | 0 of 30 | 0 % |
| Days above 30 °C | 0 of 30 | 0 % |
| Days below 0 °C | 2.7 of 30 | 9 % |
| Days with more than 1 mm rain | 13 of 30 | 42 % |
Conditions in June
| Measure | Average |
|---|---|
| Mean temperature | 9.8 °C |
| Record high (1991–2020) | 19 °C |
| Record low (1991–2020) | -4.2 °C |
| Relative humidity | 85 % |
| Wind speed | 21 km/h |
| Cloud cover | 60 % |
Where Hamilton ranks in June
| Ranking | Position | Value |
|---|---|---|
| The coolest places in the world in June | 27th of 50 | 14 °C |
June compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| April | 18.8 °C | 93 mm | 60 % |
| May | 16.0 °C | 105 mm | 60 % |
| June | 13.8 °C | 114 mm | 60 % |
| July | 13.1 °C | 124 mm | 60 % |
| August | 13.6 °C | 121 mm | 61 % |
See all twelve months for Hamilton
- June is the 10th warmest month here.
- It is the 10th driest month of the year.
- It ranks 3rd for least cloud cover.
- Days last about 9.6 hours from sunrise to sunset.
- It rains on 13 of 30 days — 42 % of the month.
- Nights are about 7.2 °C cooler than the middle of the day.
- The hottest June day on record since 1991 reached 19 °C, 5.1 °C above the usual daytime high.
QuestionsJune in Hamilton, answered
How warm is Hamilton in June?
Daily highs average 14 °C and nights fall to about 6.5 °C, a spread of 7.2 °C between afternoon and dawn. That makes June the 10th warmest month of the year here.
Does it rain much in Hamilton in June?
June averages 114 mm of rain, spread over about 13 of the 30 days — 42 % of the month. Cloud cover averages 60 % of the sky.
How long are the days in June?
Hamilton averages 9.6 hours between sunrise and sunset in June. 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.