Climate averages 1991–2020

Douglas weather
in January.

A cool, wet month: the joint 10th warmest and the 9th driest of the year.

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

Average high 8.1°C Daytime mean, January

Average low 5.8°C Night-time mean, January

Rainfall 97 mm 17 days with ≥1 mm

Daylight 8 h Sunrise to sunset, per day

January is a cool month in Douglas: daytime highs average 8.1°C and nights cool to about 5.8°C. By daytime temperature it is the joint 10th warmest of the 12 months.

Expect about 97 mm of rain on roughly 17 days, which makes January a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 00 min on an average January day.

The nearest other city in this atlas is Blackpool (101 km away). In January its highs average 6.8°C, 1.3°C cooler than Douglas, with 108 mm of rain.

From January to February, average highs fall by 0.4°C to 7.6°C, and monthly rainfall falls from 97 mm to 76 mm.

The annual picture

January 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

Douglas climate table

1991–2020

Monthly climate averages for Douglas, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	8.1°C5.8°C	5.8°C	97	16.5	8.08 h
February	7.6°C5.4°C	5.4°C	76	14.3	9.710 h
March	8.1°C5.8°C	5.8°C	70	12.9	11.812 h
April	9.4°C7.1°C	7.1°C	59	11.7	14.014 h
May	11.7°C9.3°C	9.3°C	56	11.2	16.016 h
June	13.8°C11.7°C	11.7°C	64	10.7	17.117 h
July	15.5°C13.5°C	13.5°C	67	12.2	16.617 h
August	16.0°C14.0°C	14.0°C	78	12.9	14.915 h
September	15.1°C13.1°C	13.1°C	85	13.3	12.813 h
October	13.1°C11.0°C	11.0°C	117	16.1	10.611 h
November	10.6°C8.5°C	8.5°C	125	18.5	8.69 h
December	8.9°C6.6°C	6.6°C	114	18.2	7.57 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

January in nearby cities

Distance from Douglas

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