Tanga weather in July

Name: Tanga
Address: TZ

In July, Tanga has daytime highs averaging 27 °C, nights around 21 °C, with 12 wet days, and a sea temperature of 26 °C. Figures are 1991–2020 climate normals.

27.0°C Average high
21.2°C Average low
12days Wet days
41mm Rainfall
25.9°C Sea temperature
12h Daylight

Daily temperatures through July

Daily highDaily low Day of month on the horizontal axis. Highs peak at 27.4 °C and lows bottom out at 20.9 °C.

How July 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 July	26.9 °C	21.4 °C	37 %
11–20 July	27.0 °C	21.2 °C	36 %
21–31 July	27.1 °C	21.1 °C	40 %

Chance of a wet day (over 1 mm) by date in July. Wettest date over the 30 years: July 31, at 57 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure	Typical July	Share of the month
Days above 25 °C	30 of 31	98 %
Days above 30 °C	0 of 31	0 %
Days below 0 °C	0 of 31	0 %
Days with more than 1 mm rain	12 of 31	38 %

Conditions in July

Measure	Average
Mean temperature	24 °C
Record high (1991–2020)	30 °C
Record low (1991–2020)	18 °C
Relative humidity	79 %
Wind speed	19 km/h
Cloud cover	53 %

Where Tanga ranks in July

Ranking	Position	Value
Warmest sea temperatures in Africa in July	41stof 50	26 °C

July compared with the months around it

Month	Avg high	Rainfall	Cloud
May	28.0 °C	174 mm	60 %
June	27.4 °C	49 mm	52 %
July	27.0 °C	41 mm	53 %
August	27.4 °C	46 mm	49 %
September	28.4 °C	48 mm	43 %

See all twelve months for Tanga

July is the 12th warmest month here.
It is the 3rd driest month of the year.
It ranks 6th for least cloud cover.
Days last about 12 hours from sunrise to sunset.
It rains on 12 of 31 days — 38 % of the month.
Nights are about 5.8 °C cooler than the middle of the day.
The hottest July day on record since 1991 reached 30 °C, 2.9 °C above the usual daytime high.
Beach score: 82 / 100 — see how this is calculated.

Nearby destinations in July

Destination	Avg high	Wet days	Sea
Tanga	27 °C	12	26
Matuga	25 °C	21	26
Zanzibar	27 °C	7	26
Mombasa	26 °C	15	26
Jomvu	27 °C	14	26
Kibaha	28 °C	5	–
Dar es Salaam	27 °C	6	26
Morogoro	27 °C	3	–
Moshi	23 °C	5	–

QuestionsJuly in Tanga, answered

How warm is Tanga in July?

Daily highs average 27 °C and nights fall to about 21 °C, a spread of 5.8 °C between afternoon and dawn. That makes July the 12th warmest month of the year here.

Does it rain much in Tanga in July?

July averages 41 mm of rain, spread over about 12 of the 31 days — 38 % of the month. Cloud cover averages 53 % of the sky.

Is the sea warm enough to swim in July?

The sea averages 26 °C off Tanga in July. 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 July?

Tanga averages 12 hours between sunrise and sunset in July. 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

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

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.