Climate averages 1991–2020

Arecibo weather
in June.

A hot, wet month: the 3rd warmest and the 6th driest of the year.

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

Average high 31.5°C Daytime mean, June

Average low 24.3°C Night-time mean, June

Rainfall 92 mm 14 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

June is a hot month in Arecibo: daytime highs average 31.5°C and nights cool to about 24.3°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 92 mm of rain on roughly 14 days, which makes June a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 13 min on an average June day.

The nearest other city in this atlas is Ponce (52 km away). In June its highs average 29.9°C, 1.6°C cooler than Arecibo, with 48 mm of rain.

Among the 7 cities listed in Puerto Rico, Arecibo ranks 1st of 7 for the warmest June highs and 6th of 7 for the driest June (rainfall, lowest first). The mean June high of those 7 cities is 30.8°C; Arecibo is 0.7°C warmer than that mean.

From June to July, average highs rise by 0.2°C to 31.7°C, and monthly rainfall falls from 92 mm to 79 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

Arecibo climate table

1991–2020

Monthly climate averages for Arecibo, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	28.3°C21.5°C	21.5°C	41	9.5	11.211 h
February	29.0°C21.3°C	21.3°C	37	8.2	11.512 h
March	29.6°C21.4°C	21.4°C	59	9.9	12.012 h
April	29.9°C22.2°C	22.2°C	107	13.7	12.613 h
May	30.4°C23.3°C	23.3°C	165	18.3	13.013 h
June, selected	31.5°C24.3°C	24.3°C	92	13.8	13.213 h
July	31.7°C24.6°C	24.6°C	79	14.8	13.113 h
August	31.7°C24.7°C	24.7°C	101	19.6	12.813 h
September	31.2°C24.4°C	24.4°C	154	22.3	12.312 h
October	30.4°C24.0°C	24.0°C	138	21.3	11.712 h
November	28.9°C23.1°C	23.1°C	113	17.4	11.311 h
December	28.3°C22.1°C	22.1°C	48	11.4	11.011 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 Arecibo

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 Arecibo) is explained once on the Arecibo year overview and on the Sources, method and limits page.