Climate averages 1991–2020

Masasi weather
in January.

A hot, wet month: the 5th warmest and the 11th driest of the year.

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

Average high 30.5°C Daytime mean, January

Average low 22.3°C Night-time mean, January

Rainfall 134 mm 18 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a hot month in Masasi: daytime highs average 30.5°C and nights cool to about 22.3°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 134 mm of rain on roughly 18 days, which makes January a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 40 min on an average January day.

The nearest other city in this atlas is Lindi (128 km away). In January its highs average 30.1°C, about as warm as Masasi, with 168 mm of rain.

Among the 43 cities listed in Tanzania, Masasi ranks joint 9th of 43 for the warmest January highs and 23rd of 43 for the driest January (rainfall, lowest first). The mean January high of those 43 cities is 27.1°C; Masasi is 3.4°C warmer than that mean.

From January to February, average highs fall by 0.7°C to 29.7°C, and monthly rainfall falls from 134 mm to 131 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

Masasi climate table

1991–2020

Monthly climate averages for Masasi, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	30.5°C22.3°C	22.3°C	134	18.3	12.713 h
February	29.7°C22.0°C	22.0°C	131	17.3	12.512 h
March	28.8°C21.5°C	21.5°C	155	22.4	12.212 h
April	28.5°C20.7°C	20.7°C	67	12.6	11.912 h
May	29.3°C19.5°C	19.5°C	11	2.1	11.612 h
June	28.3°C17.9°C	17.9°C	1.4	0.3	11.512 h
July	27.9°C17.2°C	17.2°C	1.1	0.2	11.612 h
August	29.2°C17.8°C	17.8°C	1.4	0.4	11.812 h
September	31.0°C19.0°C	19.0°C	2.1	0.6	12.012 h
October	32.2°C20.4°C	20.4°C	8.7	2.0	12.312 h
November	32.9°C21.7°C	21.7°C	32	6.0	12.613 h
December	31.6°C22.2°C	22.2°C	103	15.0	12.713 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 Masasi

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