Katerero weather in May

In May, Katerero sees average daytime highs of 24°C and overnight lows near 21°C, with 148 mm of rain across 22.2 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Katerero's 5th-clearest and 4th-windiest month. For the whole year in context, see Katerero's year-round climate.

Daytime high: 24°; 5th warmest
Overnight low: 21°; 9th coldest
Rainfall: 148 mm; 22.2 wet days
Daylight: 11 h 54 min; 6:51 AM – 6:47 PM
Cloud cover: 65%; 5th clearest
Wind: 12 km/h; 4th windiest
Solar energy: 5.17 kWh/m²
Travel score: 5.1; out of 10

← April Katerero year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical May day in Katerero reaches about 24°C in the afternoon and slips back to 21°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 25°C. Set against its neighbours, May runs on par with April and on par with June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	Avg high (°C)	Avg low (°C)
1	24	21
2	24	21
3	24	21
4	24	21
5	24	21
6	24	21
7	24	21
8	24	21
9	24	21
10	24	21
11	24	21
12	24	21
13	24	21
14	24	21
15	24	21
16	24	21
17	24	21
18	24	21
19	24	21
20	24	21
21	24	21
22	24	21
23	24	21
24	24	21
25	24	21
26	24	21
27	24	21
28	24	21
29	24	21
30	24	21
31	24	21

Katerero weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	24° / 21°	134	23.6	12.1	4.8
Feb	25° / 21°	121	20.3	12	4.9
Mar	25° / 21°	173	24.7	12	4.6
Apr	24° / 21°	222	26.4	12	4.1
May	24° / 21°	148	22.2	11.9	5.1
Jun	24° / 21°	49	10.2	11.9	6.9
Jul	23° / 21°	26	4.7	11.9	7.8
Aug	23° / 20°	61	12.3	12	6.6
Sep	24° / 20°	93	19.6	12	5.3
Oct	24° / 21°	147	25.3	12	4.4
Nov	23° / 20°	165	26.5	12.1	4.1
Dec	24° / 21°	152	25.9	12.1	4.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	23	23	24	25	26	27	28	29	30	31	34	35	36	37	39	40	42	43	44	46	47	48	49	51	52	52	53	53	54	54	54
Cloudier (%)	77	77	76	75	74	73	72	71	70	69	66	65	64	63	61	60	58	57	56	54	53	52	51	49	48	48	47	47	46	46	46

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	24	76
4	25	75
5	26	74
6	27	73
7	28	72
8	29	71
9	30	70
10	31	69
11	34	66
12	35	65
13	36	64
14	37	63
15	39	61
16	40	60
17	42	58
18	43	57
19	44	56
20	46	54
21	47	53
22	48	52
23	49	51
24	51	49
25	52	48
26	52	48
27	53	47
28	53	47
29	54	46
30	54	46
31	54	46

Chance of precipitation in May

Any precipitation

Katerero gets around 148 mm of rain over 22.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 71% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	88	87	87	86	86	85	84	83	82	81	79	78	76	75	73	71	70	68	67	65	64	62	61	59	58	57	55	54	53	52	50

	Rain chance (%)
1	88
2	87
3	87
4	86
5	86
6	85
7	84
8	83
9	82
10	81
11	79
12	78
13	76
14	75
15	73
16	71
17	70
18	68
19	67
20	65
21	64
22	62
23	61
24	59
25	58
26	57
27	55
28	54
29	53
30	52
31	50

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the muggy band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2	3	3	4	4	5
Humid (%)	16	16	17	17	18	19	20	21	23	24	26	29	31	34	36	39	41	43	45	46	48	49	50	52	52	53	53	53	53	54	53
Muggy (%)	84	84	83	83	82	81	80	79	77	76	74	71	69	66	64	61	59	57	55	54	51	50	49	47	46	45	44	44	43	42	42

	Comfortable (%)	Humid (%)	Muggy (%)
1	0	16	84
2	0	16	84
3	0	17	83
4	0	17	83
5	0	18	82
6	0	19	81
7	0	20	80
8	0	21	79
9	0	23	77
10	0	24	76
11	0	26	74
12	0	29	71
13	0	31	69
14	0	34	66
15	0	36	64
16	0	39	61
17	0	41	59
18	0	43	57
19	0	45	55
20	0	46	54
21	1	48	51
22	1	49	50
23	1	50	49
24	1	52	47
25	2	52	46
26	2	53	45
27	3	53	44
28	3	53	44
29	4	53	43
30	4	54	42
31	5	53	42

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	light breeze

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	12	calm
15	12	calm
16	12	calm
17	12	calm
18	12	calm
19	12	calm
20	12	calm
21	12	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm
31	12	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 hours at the start of May to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:52 AM to 6:53 AM, and sunset from 6:49 PM to 6:48 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.0	12.0	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9
Sunrise (AM)	6:52	6:52	6:52	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:51	6:52	6:52	6:52	6:52	6:52	6:52	6:52	6:52	6:52	6:53	6:53
Sunset (PM)	6:49	6:49	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:47	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:48	6:48

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	6:52	6:49
2	12.0	6:52	6:49
3	11.9	6:52	6:48
4	11.9	6:51	6:48
5	11.9	6:51	6:48
6	11.9	6:51	6:48
7	11.9	6:51	6:48
8	11.9	6:51	6:48
9	11.9	6:51	6:48
10	11.9	6:51	6:48
11	11.9	6:51	6:48
12	11.9	6:51	6:48
13	11.9	6:51	6:48
14	11.9	6:51	6:47
15	11.9	6:51	6:47
16	11.9	6:51	6:47
17	11.9	6:51	6:47
18	11.9	6:51	6:47
19	11.9	6:51	6:47
20	11.9	6:51	6:47
21	11.9	6:52	6:47
22	11.9	6:52	6:47
23	11.9	6:52	6:48
24	11.9	6:52	6:48
25	11.9	6:52	6:48
26	11.9	6:52	6:48
27	11.9	6:52	6:48
28	11.9	6:52	6:48
29	11.9	6:52	6:48
30	11.9	6:53	6:48
31	11.9	6:53	6:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.17 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 5.92 kWh/m² in February across the year — May's 5.17 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.9	4.9	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.4	5.4	5.5	5.5	5.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.9	Bright
2	4.9	Bright
3	4.9	Bright
4	4.9	Bright
5	4.9	Bright
6	4.9	Bright
7	5.0	Bright
8	5.0	Bright
9	5.0	Bright
10	5.0	Bright
11	5.1	Bright
12	5.1	Bright
13	5.1	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.3	Bright
22	5.3	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.4	Bright
27	5.4	Bright
28	5.4	Bright
29	5.5	Bright
30	5.5	Bright
31	5.5	Bright

Planning a trip in May

Is May a good time to visit Katerero?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.1

Sightseeing

5th-best month of the year

4.3

Beach & pool

6th-best month of the year

May is a reasonable time to visit Katerero for sightseeing.

What to pack for Katerero in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Katerero sees daytime highs around 24°C and nights near 21°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Katerero in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Katerero peaks around March 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	12	15	16	15	12	10	11	10	13	13	12	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	15	Extreme
Mar	16	Extreme
Apr	15	Extreme
May	12	Extreme
Jun	10	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	11	Extreme

Air quality in Katerero in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Katerero is worst in January — around 28 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (April, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	28	24	18	13	14	20	24	26	21	16	16	20
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	28	Moderate
Feb	24	Moderate
Mar	18	Moderate
Apr	13	Moderate
May	14	Moderate
Jun	20	Moderate
Jul	24	Moderate
Aug	26	Moderate
Sep	21	Moderate
Oct	16	Moderate
Nov	16	Moderate
Dec	20	Moderate

Location & terrain

Where is Katerero?

Katerero sits at 1.4°S, 31.7°E, 1,164 m above sea level, in Tanzania. The nearest listed city is Bukoba, 12 km away.

Topography around Katerero

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Katerero.

Within 3 km, the terrain around Katerero has only modest variations in elevation — a maximum elevation change of 179 m around an average of 1,192 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 278 m; within 80 km, large variations in elevation — a maximum elevation change of 601 m.

The land around Katerero is covered by grassland (44%), trees (30%) and shrubs (21%) within 3 km, grassland (30%), trees (28%) and water (21%) within 16 km, and water (48%) and grassland (24%) within 80 km.

3 km

179 m

grassland 44%

16 km

278 m

grassland 30%

80 km

601 m

water 48%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← April Katerero year-round climate June →Best places to visit in May

May weather nearby: Bukoba 12 km · Kamachumu 27 km · Nsunga 47 km · Nshamba 49 km · Kasaali 89 km · Kalisizo 97 km · Nakivale Refugee Camp 110 km · Lwengo 115 km

Tanzania travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type D / G; 230 V · 50 Hz
Prices: ≈ 29% of US; price level, 2025
GDP per capita: $1,319; 2025
Happiness: 3.9 / 10; World Happiness, 2025
Safe drinking water: 31%; of population, 2024
Homicide rate: 3.7; per 100k, 2020
Road deaths: 31.1; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Low; EF EPI 479
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Katerero (-1.4°, 31.7333°, elevation 1,164 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	24	21
2	24	21
3	24	21
4	24	21
5	24	21
6	24	21
7	24	21
8	24	21
9	24	21
10	24	21
11	24	21
12	24	21
13	24	21
14	24	21
15	24	21
16	24	21
17	24	21
18	24	21
19	24	21
20	24	21
21	24	21
22	24	21
23	24	21
24	24	21
25	24	21
26	24	21
27	24	21
28	24	21
29	24	21
30	24	21
31	24	21

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	24	76
4	25	75
5	26	74
6	27	73
7	28	72
8	29	71
9	30	70
10	31	69
11	34	66
12	35	65
13	36	64
14	37	63
15	39	61
16	40	60
17	42	58
18	43	57
19	44	56
20	46	54
21	47	53
22	48	52
23	49	51
24	51	49
25	52	48
26	52	48
27	53	47
28	53	47
29	54	46
30	54	46
31	54	46

	Rain chance (%)
1	88
2	87
3	87
4	86
5	86
6	85
7	84
8	83
9	82
10	81
11	79
12	78
13	76
14	75
15	73
16	71
17	70
18	68
19	67
20	65
21	64
22	62
23	61
24	59
25	58
26	57
27	55
28	54
29	53
30	52
31	50

	Comfortable (%)	Humid (%)	Muggy (%)
1	0	16	84
2	0	16	84
3	0	17	83
4	0	17	83
5	0	18	82
6	0	19	81
7	0	20	80
8	0	21	79
9	0	23	77
10	0	24	76
11	0	26	74
12	0	29	71
13	0	31	69
14	0	34	66
15	0	36	64
16	0	39	61
17	0	41	59
18	0	43	57
19	0	45	55
20	0	46	54
21	1	48	51
22	1	49	50
23	1	50	49
24	1	52	47
25	2	52	46
26	2	53	45
27	3	53	44
28	3	53	44
29	4	53	43
30	4	54	42
31	5	53	42

	Avg high (°C)	Avg low (°C)
1	24	21
2	24	21
3	24	21
4	24	21
5	24	21
6	24	21
7	24	21
8	24	21
9	24	21
10	24	21
11	24	21
12	24	21
13	24	21
14	24	21
15	24	21
16	24	21
17	24	21
18	24	21
19	24	21
20	24	21
21	24	21
22	24	21
23	24	21
24	24	21
25	24	21
26	24	21
27	24	21
28	24	21
29	24	21
30	24	21
31	24	21

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	24	76
4	25	75
5	26	74
6	27	73
7	28	72
8	29	71
9	30	70
10	31	69
11	34	66
12	35	65
13	36	64
14	37	63
15	39	61
16	40	60
17	42	58
18	43	57
19	44	56
20	46	54
21	47	53
22	48	52
23	49	51
24	51	49
25	52	48
26	52	48
27	53	47
28	53	47
29	54	46
30	54	46
31	54	46

	Rain chance (%)
1	88
2	87
3	87
4	86
5	86
6	85
7	84
8	83
9	82
10	81
11	79
12	78
13	76
14	75
15	73
16	71
17	70
18	68
19	67
20	65
21	64
22	62
23	61
24	59
25	58
26	57
27	55
28	54
29	53
30	52
31	50

	Comfortable (%)	Humid (%)	Muggy (%)
1	0	16	84
2	0	16	84
3	0	17	83
4	0	17	83
5	0	18	82
6	0	19	81
7	0	20	80
8	0	21	79
9	0	23	77
10	0	24	76
11	0	26	74
12	0	29	71
13	0	31	69
14	0	34	66
15	0	36	64
16	0	39	61
17	0	41	59
18	0	43	57
19	0	45	55
20	0	46	54
21	1	48	51
22	1	49	50
23	1	50	49
24	1	52	47
25	2	52	46
26	2	53	45
27	3	53	44
28	3	53	44
29	4	53	43
30	4	54	42
31	5	53	42

	Avg high (°C)	Avg low (°C)
1	24	21
2	24	21
3	24	21
4	24	21
5	24	21
6	24	21
7	24	21
8	24	21
9	24	21
10	24	21
11	24	21
12	24	21
13	24	21
14	24	21
15	24	21
16	24	21
17	24	21
18	24	21
19	24	21
20	24	21
21	24	21
22	24	21
23	24	21
24	24	21
25	24	21
26	24	21
27	24	21
28	24	21
29	24	21
30	24	21
31	24	21

	Clearer (%)	Cloudier (%)
1	23	77
2	23	77
3	24	76
4	25	75
5	26	74
6	27	73
7	28	72
8	29	71
9	30	70
10	31	69
11	34	66
12	35	65
13	36	64
14	37	63
15	39	61
16	40	60
17	42	58
18	43	57
19	44	56
20	46	54
21	47	53
22	48	52
23	49	51
24	51	49
25	52	48
26	52	48
27	53	47
28	53	47
29	54	46
30	54	46
31	54	46

	Rain chance (%)
1	88
2	87
3	87
4	86
5	86
6	85
7	84
8	83
9	82
10	81
11	79
12	78
13	76
14	75
15	73
16	71
17	70
18	68
19	67
20	65
21	64
22	62
23	61
24	59
25	58
26	57
27	55
28	54
29	53
30	52
31	50

	Comfortable (%)	Humid (%)	Muggy (%)
1	0	16	84
2	0	16	84
3	0	17	83
4	0	17	83
5	0	18	82
6	0	19	81
7	0	20	80
8	0	21	79
9	0	23	77
10	0	24	76
11	0	26	74
12	0	29	71
13	0	31	69
14	0	34	66
15	0	36	64
16	0	39	61
17	0	41	59
18	0	43	57
19	0	45	55
20	0	46	54
21	1	48	51
22	1	49	50
23	1	50	49
24	1	52	47
25	2	52	46
26	2	53	45
27	3	53	44
28	3	53	44
29	4	53	43
30	4	54	42
31	5	53	42