Merelani weather in May

In May, Merelani sees average daytime highs of 26°C and overnight lows near 18°C, with 87 mm of rain across 16.2 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Merelani's 10th-clearest and 9th-windiest month. For the whole year in context, see Merelani's year-round climate.

Daytime high: 26°; 9th warmest
Overnight low: 18°; 6th coldest
Rainfall: 87 mm; 16.2 wet days
Daylight: 11 h 48 min; 6:33 AM – 6:23 PM
Cloud cover: 68%; 10th clearest
Wind: 6 km/h; 9th windiest
Solar energy: 4.46 kWh/m²
Travel score: 5.7; out of 10

Merelani is town in Manyara Tanzania.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← April Merelani 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 26°C through the month.

A typical May day in Merelani reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than 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)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Avg low (°C)	19	19	19	19	19	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17	17	17	17

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

Merelani weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 19°	54	9.2	12.2	4.8
Feb	31° / 20°	49	8.1	12.1	4.5
Mar	30° / 20°	118	16.4	12	4.1
Apr	28° / 19°	153	23.7	11.9	4.3
May	26° / 18°	87	16.2	11.8	5.7
Jun	24° / 15°	20	6.3	11.8	7.2
Jul	24° / 14°	15	4.6	11.8	7.5
Aug	25° / 15°	15	4.4	11.9	7.5
Sep	27° / 16°	9	2.8	12	7.4
Oct	29° / 18°	24	6.2	12.1	6.1
Nov	29° / 19°	61	11.7	12.2	5.1
Dec	30° / 19°	74	12.4	12.2	4.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 66%.

	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 (%)	34	33	33	33	32	33	34	33	34	34	35	34	34	34	35	35	35	35	35	35	35	35	35	35	35	35	35	34	34	34	34
Cloudier (%)	66	67	67	67	68	67	66	67	66	66	65	66	66	66	65	65	65	65	65	65	65	65	65	65	65	65	65	66	66	66	66

	Clearer (%)	Cloudier (%)
1	34	66
2	33	67
3	33	67
4	33	67
5	32	68
6	33	67
7	34	66
8	33	67
9	34	66
10	34	66
11	35	65
12	34	66
13	34	66
14	34	66
15	35	65
16	35	65
17	35	65
18	35	65
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	35	65
25	35	65
26	35	65
27	35	65
28	34	66
29	34	66
30	34	66
31	34	66

Chance of precipitation in May

Any precipitation

Merelani gets around 87 mm of rain over 16.2 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 52% and peaks near 69% 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 (%)	69	69	68	68	67	66	65	64	63	62	60	59	57	56	54	53	51	50	48	46	45	43	41	40	39	38	36	35	34	32	31

	Rain chance (%)
1	69
2	69
3	68
4	68
5	67
6	66
7	65
8	64
9	63
10	62
11	60
12	59
13	57
14	56
15	54
16	53
17	51
18	50
19	48
20	46
21	45
22	43
23	41
24	40
25	39
26	38
27	36
28	35
29	34
30	32
31	31

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 13% 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
Dry (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	2	2	2	3	4	4	5	5
Comfortable (%)	3	4	4	4	5	5	5	6	7	8	10	11	13	14	16	17	19	21	23	25	27	29	31	33	35	36	38	39	41	43	45
Humid (%)	68	68	70	71	71	72	73	73	74	74	73	74	73	73	72	72	71	70	69	68	66	65	63	61	59	59	56	55	53	50	48
Muggy (%)	29	28	26	25	24	23	22	21	19	18	17	15	14	13	12	11	10	9	8	7	6	5	5	4	4	3	3	2	2	2	1

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	0	3	68	29
2	0	4	68	28
3	0	4	70	26
4	0	4	71	25
5	0	5	71	24
6	0	5	72	23
7	0	5	73	22
8	0	6	73	21
9	0	7	74	19
10	0	8	74	18
11	0	10	73	17
12	0	11	74	15
13	0	13	73	14
14	0	14	73	13
15	0	16	72	12
16	0	17	72	11
17	0	19	71	10
18	0	21	70	9
19	0	23	69	8
20	0	25	68	7
21	1	27	66	6
22	1	29	65	5
23	1	31	63	5
24	2	33	61	4
25	2	35	59	4
26	2	36	59	3
27	3	38	56	3
28	4	39	55	2
29	4	41	53	2
30	5	43	50	2
31	5	45	48	1

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
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	calm

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

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 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 6:33 AM to 6:35 AM, and sunset from 6:26 PM to 6:24 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)	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8
Sunrise (AM)	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:33	6:34	6:34	6:34	6:34	6:34	6:34	6:34	6:34	6:35	6:35	6:35	6:35
Sunset (PM)	6:26	6:25	6:25	6:25	6:25	6:25	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:24	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:23	6:24	6:24	6:24	6:24

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	6:33	6:26
2	11.9	6:33	6:25
3	11.9	6:33	6:25
4	11.9	6:33	6:25
5	11.9	6:33	6:25
6	11.9	6:33	6:25
7	11.9	6:33	6:24
8	11.9	6:33	6:24
9	11.9	6:33	6:24
10	11.9	6:33	6:24
11	11.9	6:33	6:24
12	11.8	6:33	6:24
13	11.8	6:33	6:24
14	11.8	6:33	6:24
15	11.8	6:33	6:24
16	11.8	6:33	6:23
17	11.8	6:33	6:23
18	11.8	6:33	6:23
19	11.8	6:33	6:23
20	11.8	6:34	6:23
21	11.8	6:34	6:23
22	11.8	6:34	6:23
23	11.8	6:34	6:23
24	11.8	6:34	6:23
25	11.8	6:34	6:23
26	11.8	6:34	6:23
27	11.8	6:34	6:23
28	11.8	6:35	6:24
29	11.8	6:35	6:24
30	11.8	6:35	6:24
31	11.8	6:35	6:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.46 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.45 kWh/m² in February across the year — May's 4.46 kWh/m² sits near the bottom.

	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)	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.4	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5
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	4.6	Bright
2	4.6	Bright
3	4.5	Bright
4	4.5	Bright
5	4.5	Bright
6	4.5	Bright
7	4.5	Bright
8	4.5	Bright
9	4.5	Bright
10	4.5	Bright
11	4.5	Bright
12	4.4	Bright
13	4.5	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.5	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.5	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright
31	4.5	Bright

Planning a trip in May

Hazard calendar for Merelani

In seasonPeak

In May, Merelani sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Merelani's rainy season runs March–May, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Merelani?

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

5.7

Sightseeing

6th-best month of the year

5.3

Beach & pool

11th-best month of the year

May is a reasonable time to visit Merelani for sightseeing.

What to pack for Merelani in May

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

In May, Merelani sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

UV index in Merelani 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 Merelani peaks around March 14 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)	15	15	16	15	12	10	11	11	14	14	13	13
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	16	Extreme
Apr	15	Extreme
May	12	Extreme
Jun	10	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	14	Extreme
Oct	14	Extreme
Nov	13	Extreme
Dec	13	Extreme

Location & terrain

Where is Merelani?

Merelani sits at 3.6°S, 37.0°E, 916 m above sea level, in Tanzania. The nearest listed city is Mbuguni, 3.0 km away.

Topography around Merelani

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

Within 3 km, the terrain around Merelani has only modest variations in elevation — a maximum elevation change of 159 m around an average of 934 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 389 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,230 m.

The land around Merelani is covered by grassland (46%) within 3 km, shrubs (37%), grassland (32%) and cropland (24%) within 16 km, and shrubs (37%) and grassland (30%) within 80 km.

3 km

159 m

grassland 46%

16 km

389 m

shrubs 37%

80 km

5,230 m

shrubs 37%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

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

May weather nearby: Mbuguni 3.0 km · Usa River 26 km · Kingori 31 km · Boma la Ngombe 32 km · Arusha 39 km · Moshi 46 km · Lembeni 75 km · Usangi 78 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 Merelani (-3.5618°, 36.9789°, elevation 916 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. 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	26	19
2	26	19
3	26	19
4	26	19
5	26	19
6	26	18
7	26	18
8	26	18
9	26	18
10	26	18
11	26	18
12	26	18
13	26	18
14	26	18
15	25	18
16	25	18
17	25	18
18	25	18
19	25	18
20	25	17
21	25	17
22	25	17
23	25	17
24	25	17
25	25	17
26	25	17
27	25	17
28	25	17
29	25	17
30	25	17
31	25	17

	Clearer (%)	Cloudier (%)
1	34	66
2	33	67
3	33	67
4	33	67
5	32	68
6	33	67
7	34	66
8	33	67
9	34	66
10	34	66
11	35	65
12	34	66
13	34	66
14	34	66
15	35	65
16	35	65
17	35	65
18	35	65
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	35	65
25	35	65
26	35	65
27	35	65
28	34	66
29	34	66
30	34	66
31	34	66

	Rain chance (%)
1	69
2	69
3	68
4	68
5	67
6	66
7	65
8	64
9	63
10	62
11	60
12	59
13	57
14	56
15	54
16	53
17	51
18	50
19	48
20	46
21	45
22	43
23	41
24	40
25	39
26	38
27	36
28	35
29	34
30	32
31	31

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	0	3	68	29
2	0	4	68	28
3	0	4	70	26
4	0	4	71	25
5	0	5	71	24
6	0	5	72	23
7	0	5	73	22
8	0	6	73	21
9	0	7	74	19
10	0	8	74	18
11	0	10	73	17
12	0	11	74	15
13	0	13	73	14
14	0	14	73	13
15	0	16	72	12
16	0	17	72	11
17	0	19	71	10
18	0	21	70	9
19	0	23	69	8
20	0	25	68	7
21	1	27	66	6
22	1	29	65	5
23	1	31	63	5
24	2	33	61	4
25	2	35	59	4
26	2	36	59	3
27	3	38	56	3
28	4	39	55	2
29	4	41	53	2
30	5	43	50	2
31	5	45	48	1

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

	Clearer (%)	Cloudier (%)
1	34	66
2	33	67
3	33	67
4	33	67
5	32	68
6	33	67
7	34	66
8	33	67
9	34	66
10	34	66
11	35	65
12	34	66
13	34	66
14	34	66
15	35	65
16	35	65
17	35	65
18	35	65
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	35	65
25	35	65
26	35	65
27	35	65
28	34	66
29	34	66
30	34	66
31	34	66

	Rain chance (%)
1	69
2	69
3	68
4	68
5	67
6	66
7	65
8	64
9	63
10	62
11	60
12	59
13	57
14	56
15	54
16	53
17	51
18	50
19	48
20	46
21	45
22	43
23	41
24	40
25	39
26	38
27	36
28	35
29	34
30	32
31	31

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	0	3	68	29
2	0	4	68	28
3	0	4	70	26
4	0	4	71	25
5	0	5	71	24
6	0	5	72	23
7	0	5	73	22
8	0	6	73	21
9	0	7	74	19
10	0	8	74	18
11	0	10	73	17
12	0	11	74	15
13	0	13	73	14
14	0	14	73	13
15	0	16	72	12
16	0	17	72	11
17	0	19	71	10
18	0	21	70	9
19	0	23	69	8
20	0	25	68	7
21	1	27	66	6
22	1	29	65	5
23	1	31	63	5
24	2	33	61	4
25	2	35	59	4
26	2	36	59	3
27	3	38	56	3
28	4	39	55	2
29	4	41	53	2
30	5	43	50	2
31	5	45	48	1

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

	Clearer (%)	Cloudier (%)
1	34	66
2	33	67
3	33	67
4	33	67
5	32	68
6	33	67
7	34	66
8	33	67
9	34	66
10	34	66
11	35	65
12	34	66
13	34	66
14	34	66
15	35	65
16	35	65
17	35	65
18	35	65
19	35	65
20	35	65
21	35	65
22	35	65
23	35	65
24	35	65
25	35	65
26	35	65
27	35	65
28	34	66
29	34	66
30	34	66
31	34	66

	Rain chance (%)
1	69
2	69
3	68
4	68
5	67
6	66
7	65
8	64
9	63
10	62
11	60
12	59
13	57
14	56
15	54
16	53
17	51
18	50
19	48
20	46
21	45
22	43
23	41
24	40
25	39
26	38
27	36
28	35
29	34
30	32
31	31

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	0	3	68	29
2	0	4	68	28
3	0	4	70	26
4	0	4	71	25
5	0	5	71	24
6	0	5	72	23
7	0	5	73	22
8	0	6	73	21
9	0	7	74	19
10	0	8	74	18
11	0	10	73	17
12	0	11	74	15
13	0	13	73	14
14	0	14	73	13
15	0	16	72	12
16	0	17	72	11
17	0	19	71	10
18	0	21	70	9
19	0	23	69	8
20	0	25	68	7
21	1	27	66	6
22	1	29	65	5
23	1	31	63	5
24	2	33	61	4
25	2	35	59	4
26	2	36	59	3
27	3	38	56	3
28	4	39	55	2
29	4	41	53	2
30	5	43	50	2
31	5	45	48	1