How many sunny days does Mwanza have per year?

Mwanza averages approximately 287 sunny days per year, based on historical climate data.

What is the air quality in Mwanza?

Mwanza has an annual PM2.5 concentration of 15.8 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.

Mwanza

Mwanza · Tanzania

Tanzania's second-largest city.

Medium city

977K

175 km²

1,144m

07:02 UTC+3

TZS

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Mwanza, Tanzania is a 977K-resident city with 287 sunny days and 0 frost days annually and an annual PM2.5 of 15.8 µg/m³. Tanzania's second-largest city.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Mwanza

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	26	27	27	26	27	27	26	26	26	26	25	25	26
Daily mean°C	23	24	25	24	25	25	25	24	24	24	23	24	24
Daily low°C	21	22	22	21	21	21	20	21	21	22	21	21	21
Thermal comfort
High feelsDaily high feels-like°C	31	31	31	31	31	30	29	29	30	30	31	31	30
Mean feelsDaily mean feels-like°C	26	28	27	26	25	24	23	25	26	26	26	27	26
Low feelsDaily low feels-like°C	20	20	20	19	19	14	13	17	19	20	20	21	18
Humidity
HumidityRelative humidity%	75	74	67	74	65	55	52	61	68	72	77	76	68
Dewpoint°C	18.4	18.6	18.6	18.6	17.2	14.2	12.9	15.0	17.4	18.9	18.8	18.6	17.3
Precipitation
Rainfallmm	165	92	132	163	66	5	1	19	32	63	173	153	1062
Rain days≥1mm	24	16	16	20	9	1	0	8	9	17	25	24	169
Wind
Wind avgm/s	2.7	2.3	2.6	2.7	2.8	3.2	3.9	3.4	3.2	3.0	2.4	2.4	2.9
Wind gustsm/s	5.1	4.6	5.3	5.1	5.7	6.6	7.5	7.1	5.7	4.8	4.6	4.3	5.5
Sun & UV
Sunshinehrs/day	9.9	10.6	10.0	9.7	10.3	10.2	10.4	10.0	9.7	9.8	8.3	9.7	9.9
Clear skyindex	29%	50%	45%	39%	54%	61%	56%	58%	49%	41%	37%	42%	47%
UV indexmax avg	10.4	11.7	12.1	11.4	10.3	10.0	10.5	10.9	11.3	10.8	9.4	10.1	10.7

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Mwanza

Mwanza is livable outdoors nearly year-round. May through August are perfect for all activities. Dinner outside is comfortable 12/12 months — impressive, while walking is comfortable 12/12 months — impressive.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

12/12

Dinner Outside

92Jan: 92% viability

92Feb: 92% viability

92Mar: 92% viability

89Apr: 89% viability

95May: 95% viability

95Jun: 95% viability

94Jul: 94% viability

91Aug: 91% viability

88Sep: 88% viability

85Oct: 85% viability

85Nov: 85% viability

90Dec: 90% viability

12/12

Dinner Outside

92Jan: 92% viability

92Feb: 92% viability

92Mar: 92% viability

89Apr: 89% viability

95May: 95% viability

95Jun: 95% viability

94Jul: 94% viability

91Aug: 91% viability

88Sep: 88% viability

85Oct: 85% viability

85Nov: 85% viability

90Dec: 90% viability

91%

4/12

Lunch Outside

40Jan: 40% viability

40Feb: 40% viability

41Mar: 41% viability

32Apr: 32% viability

67May: 67% viability

87Jun: 87% viability

87Jul: 87% viability

82Aug: 82% viability

63Sep: 63% viability

48Oct: 48% viability

28Nov: 28% viability

31Dec: 31% viability

4/12

Lunch Outside

40Jan: 40% viability

40Feb: 40% viability

41Mar: 41% viability

32Apr: 32% viability

67May: 67% viability

87Jun: 87% viability

87Jul: 87% viability

82Aug: 82% viability

63Sep: 63% viability

48Oct: 48% viability

28Nov: 28% viability

31Dec: 31% viability

54%

Rain

12/12

Walking

96Jan: 96% viability

90Feb: 90% viability

89Mar: 89% viability

94Apr: 94% viability

95May: 95% viability

99Jun: 99% viability

100Jul: 100% viability

100

100Aug: 100% viability

100

100Sep: 100% viability

100

97Oct: 97% viability

97Nov: 97% viability

95Dec: 95% viability

12/12

Walking

96Jan: 96% viability

90Feb: 90% viability

89Mar: 89% viability

94Apr: 94% viability

95May: 95% viability

99Jun: 99% viability

100Jul: 100% viability

100

100Aug: 100% viability

100

100Sep: 100% viability

100

97Oct: 97% viability

97Nov: 97% viability

95Dec: 95% viability

96%

12/12

Running

88Jan: 88% viability

78Feb: 78% viability

76Mar: 76% viability

84Apr: 84% viability

87May: 87% viability

96Jun: 96% viability

99Jul: 99% viability

99Aug: 99% viability

98Sep: 98% viability

92Oct: 92% viability

89Nov: 89% viability

87Dec: 87% viability

12/12

Running

88Jan: 88% viability

78Feb: 78% viability

76Mar: 76% viability

84Apr: 84% viability

87May: 87% viability

96Jun: 96% viability

99Jul: 99% viability

99Aug: 99% viability

98Sep: 98% viability

92Oct: 92% viability

89Nov: 89% viability

87Dec: 87% viability

89%

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Mwanza · Tanzania

Climate

Climate Lab·Mwanza

Lifestyle Calendar·Mwanza

Air Quality Profile

Air Quality Profile

Who thrives in Mwanza

Things to consider in Mwanza

Why not Mwanza?

Frequently asked about Mwanza