Adamstown weather in June

In June, Adamstown has daytime highs averaging 22 °C, nights around 21 °C, with 10 wet days, and a sea temperature of 24 °C. Figures are 1991–2020 climate normals.

  1. Jan 24°
  2. Feb 25°
  3. Mar 25°
  4. Apr 24°
  5. May 23°
  6. Jun 22°
  7. Jul 21°
  8. Aug 20°
  9. Sep 20°
  10. Oct 21°
  11. Nov 22°
  12. Dec 23°

Daily temperatures through June

18° 22° 25° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 22.9 °C and lows bottom out at 20.4 °C.

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 22.6 °C 21.4 °C 35 %
11–20 June 22.2 °C 20.9 °C 33 %
21–30 June 21.9 °C 20.7 °C 36 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in June. Wettest date over the 30 years: June 22, at 47 %. Single dates are noisy — read the shape, not the spikes.

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 0 of 30 0 %
Days with more than 1 mm rain 10 of 30 35 %

Conditions in June

MeasureAverage
Mean temperature 22 °C
Record high (1991–2020) 25 °C
Record low (1991–2020) 16 °C
Relative humidity 75 %
Wind speed 32 km/h
Cloud cover 66 %

June compared with the months around it

Month Avg high Rainfall Cloud
April 24.5 °C 130 mm 63 %
May 23.2 °C 111 mm 65 %
June 22.2 °C 122 mm 66 %
July 21.3 °C 104 mm 62 %
August 21.0 °C 112 mm 61 %

See all twelve months for Adamstown

QuestionsJune in Adamstown, answered

How warm is Adamstown in June?

Daily highs average 22 °C and nights fall to about 21 °C, a spread of 1.3 °C between afternoon and dawn. That makes June the 8th warmest month of the year here.

Does it rain much in Adamstown in June?

June averages 122 mm of rain, spread over about 10 of the 30 days — 35 % of the month. Cloud cover averages 66 % of the sky.

Is the sea warm enough to swim in June?

The sea averages 24 °C off Adamstown in June. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in June?

Adamstown averages 11 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

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.