How many sunny days does Arusha have per year?

Arusha averages approximately 230 sunny days per year, based on historical climate data.

What is the air quality in Arusha?

Arusha has an annual PM2.5 concentration of 20.7 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.

Arusha

Arusha · Tanzania

A city in Tanzania.

Photo by Hugo Ramos on Unsplash

Medium city

807K

169 km²

1,415m

06:59 UTC+3

TZS

Explore on map →Climate twin →

Arusha, Tanzania is a 807K-resident city with 230 sunny days and 0 frost days annually and an annual PM2.5 of 20.7 µg/m³. A city in Tanzania.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Arusha

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	26	27	24	23	22	21	23	24	25	25	25	24
Daily mean°C	21	22	23	20	19	18	17	19	20	22	21	22	20
Daily low°C	16	16	17	17	15	13	13	14	14	16	17	17	15
Thermal comfort
High feelsDaily high feels-like°C	32	32	33	30	29	27	26	29	30	31	31	32	30
Mean feelsDaily mean feels-like°C	27	28	28	25	24	22	21	23	24	26	26	27	25
Low feelsDaily low feels-like°C	17	17	17	17	15	12	11	12	14	16	17	17	15
Humidity
HumidityRelative humidity%	63	66	60	79	77	73	68	64	59	55	70	73	67
Dewpoint°C	13.8	14.8	14.4	16.5	15.0	12.8	11.5	11.6	11.9	12.4	14.8	15.6	13.7
Precipitation
Rainfallmm	85	117	101	140	27	12	10	8	8	25	131	98	761
Rain days≥1mm	12	15	16	25	9	3	4	1	1	5	20	15	126
Wind
Wind avgm/s	1.4	1.3	1.4	1.6	2.1	2.3	2.5	2.4	2.4	2.1	1.6	1.4	1.9
Wind gustsm/s	2.5	2.2	2.3	2.9	3.1	3.5	3.6	3.7	3.7	3.4	2.7	2.3	3.0
Sun & UV
Sunshinehrs/day	9.0	9.7	9.5	8.6	9.0	9.3	9.5	9.5	9.3	10.0	9.6	9.2	9.4
Clear skyindex	34%	44%	51%	32%	35%	33%	32%	40%	48%	49%	42%	42%	40%
UV indexmax avg	11.1	12.1	11.2	9.3	8.7	7.7	7.6	8.6	10.8	11.5	9.6	10.2	9.9

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

Confidence: High

Lifestyle Calendar·Arusha

Arusha is livable outdoors nearly year-round. 6 months of the year are perfect for all activities. Dinner outside is comfortable 11/12 months — impressive, while walking is comfortable 11/12 months — impressive.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

11/12

Dinner Outside

84Jan: 84% viability

85Feb: 85% viability

82Mar: 82% viability

70Apr: 70% viability

90May: 90% viability

67Jun: 67% viability

60Jul: 60% viability

73Aug: 73% viability

89Sep: 89% viability

94Oct: 94% viability

80Nov: 80% viability

87Dec: 87% viability

11/12

Dinner Outside

84Jan: 84% viability

85Feb: 85% viability

82Mar: 82% viability

70Apr: 70% viability

90May: 90% viability

67Jun: 67% viability

60Jul: 60% viability

73Aug: 73% viability

89Sep: 89% viability

94Oct: 94% viability

80Nov: 80% viability

87Dec: 87% viability

80%

Cold

9/12

Lunch Outside

71Jan: 71% viability

70Feb: 70% viability

61Mar: 61% viability

36Apr: 36% viability

78May: 78% viability

89Jun: 89% viability

92Jul: 92% viability

93Aug: 93% viability

93Sep: 93% viability

86Oct: 86% viability

56Nov: 56% viability

65Dec: 65% viability

9/12

Lunch Outside

71Jan: 71% viability

70Feb: 70% viability

61Mar: 61% viability

36Apr: 36% viability

78May: 78% viability

89Jun: 89% viability

92Jul: 92% viability

93Aug: 93% viability

93Sep: 93% viability

86Oct: 86% viability

56Nov: 56% viability

65Dec: 65% viability

74%

Rain

11/12

Walking

77Jan: 77% viability

64Feb: 64% viability

71Mar: 71% viability

95Apr: 95% viability

100May: 100% viability

100

100Jun: 100% viability

100

100Jul: 100% viability

100

99Aug: 99% viability

95Sep: 95% viability

88Oct: 88% viability

87Nov: 87% viability

85Dec: 85% viability

11/12

Walking

77Jan: 77% viability

64Feb: 64% viability

71Mar: 71% viability

95Apr: 95% viability

100May: 100% viability

100

100Jun: 100% viability

100

100Jul: 100% viability

100

99Aug: 99% viability

95Sep: 95% viability

88Oct: 88% viability

87Nov: 87% viability

85Dec: 85% viability

88%

Heat

9/12

Running

55Jan: 55% viability

38Feb: 38% viability

43Mar: 43% viability

85Apr: 85% viability

97May: 97% viability

99Jun: 99% viability

99Jul: 99% viability

96Aug: 96% viability

83Sep: 83% viability

70Oct: 70% viability

68Nov: 68% viability

65Dec: 65% viability

9/12

Running

55Jan: 55% viability

38Feb: 38% viability

43Mar: 43% viability

85Apr: 85% viability

97May: 97% viability

99Jun: 99% viability

99Jul: 99% viability

96Aug: 96% viability

83Sep: 83% viability

70Oct: 70% viability

68Nov: 68% viability

65Dec: 65% viability

75%

Heat

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Arusha · Tanzania

Climate

Climate Lab·Arusha

Lifestyle Calendar·Arusha

Air Quality Profile

Air Quality Profile

Who thrives in Arusha

Things to consider in Arusha

Why not Arusha?

Frequently asked about Arusha