Climate averages 1991–2020

Basseterre weather
in June.

A hot, moderately wet month: the 4th warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 28.2°C Daytime mean, June

Average low 26.0°C Night-time mean, June

Rainfall 47 mm 11 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

June is a hot month in Basseterre: daytime highs average 28.2°C and nights cool to about 26.0°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 47 mm of rain on roughly 11 days, which makes June a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 09 min on an average June day.

The nearest other city in this atlas is Saint John’s (96 km away). In June its highs average 28.5°C, about as warm as Basseterre, with 51 mm of rain.

From June to July, average highs rise by 0.2°C to 28.3°C, and monthly rainfall rises from 47 mm to 74 mm.

The annual picture

June in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Basseterre climate table

1991–2020

Monthly climate averages for Basseterre, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	25.9°C24.1°C	24.1°C	30	10.3	11.211 h
February	25.8°C23.9°C	23.9°C	21	7.4	11.612 h
March	26.1°C24.0°C	24.0°C	20	6.8	12.012 h
April	26.8°C24.5°C	24.5°C	33	8.5	12.513 h
May	27.5°C25.4°C	25.4°C	61	11.9	12.913 h
June, selected	28.2°C26.0°C	26.0°C	47	10.9	13.113 h
July	28.3°C26.1°C	26.1°C	74	14.5	13.113 h
August	28.5°C26.3°C	26.3°C	91	17.0	12.713 h
September	28.5°C26.3°C	26.3°C	118	17.6	12.212 h
October	28.1°C26.0°C	26.0°C	125	17.8	11.812 h
November	27.3°C25.4°C	25.4°C	105	15.8	11.311 h
December	26.4°C24.7°C	24.7°C	54	13.2	11.111 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

June in nearby cities

Distance from Basseterre

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Basseterre) is explained once on the Basseterre year overview and on the Sources, method and limits page.