Climate and average weather in Mtwango

In Mtwango, the weather is warm, wet, and partly cloudy and remarkably steady, with daytime highs holding near warm levels all year. The wettest stretch peaks around January.

Best: late April to mid November

Over the course of the year, the temperature in Mtwango typically varies from 11°C to 25°C, and is rarely below 9°C or above 28°C. November is the hottest month of the year, while July is the coldest.

Based on the travel score, the best time of year to visit Mtwango for warm-weather activities is from late April to mid November.

Hottest
Nov
25°
Coldest
Jul
11°
Wettest
Jan
216 mm
Driest
Jul
0 mm
Rain / yr
875 mm
121 wet days
Daylight
11.5–12.5 h
shortest–longest
Elevation
1,767 m
9.0°S
Clearest
Sep
37% cloud

Mtwango is town in Njombe Region, Tanzania.

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

Mtwango weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around late April to mid November.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Mtwango, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Mtwango stay fairly even through the year, without a distinct hot or cool season. The warmest month is November, with an average high of 25°C and low of 15°C; the coolest is July, with an average low of 11°C and high of 20°C.

Days typically run about 9°C warmer than nights, with the widest day–night swing (around 11°C) in October.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2416
Feb2416
Mar2316
Apr2215
May2213
Jun2111
Jul2011
Aug2211
Sep2312
Oct2514
Nov2515
Dec2416

Average hourly temperature in Mtwango

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on November afternoons, near 25°C, and coldest before dawn in July, near 11°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Mtwango weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°21625.812.54.3
Feb24° / 16°19823.312.34.2
Mar23° / 16°18124.812.14.4
Apr22° / 15°5612.611.86.1
May22° / 13°92.411.67.9
Jun21° / 11°10.111.58.3
Jul20° / 11°00.111.58.2
Aug22° / 11°10.111.78.5
Sep23° / 12°20.311.98.8
Oct25° / 14°133.312.28.2
Nov25° / 15°498.612.46.9
Dec24° / 16°15019.612.55.3

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Mtwango gets about 875 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 4.9 months, from around Nov 21 to Apr 19, peaking in January at about 85% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jun 17.

January is the wettest month by volume, with 216 mm over about 26 wet days; July is the driest, with 0 mm.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetJan 17 · 85%Jun 17 · 0%
Rain on a day (%)Rain days
Jan8326
Feb8323
Mar7925
Apr4313
May82
Jun00
Jul00
Aug00
Sep10
Oct103
Nov299
Dec6320

Monthly rainfall

Over a full year, Mtwango collects about 875 mm of rain across 121 wet days — roughly 73 mm in an average month.

It doesn’t fall evenly. January is the wettest month with 216 mm, while July is the driest at just 0 mm. The three wettest months alone bring about 68% of the year’s total.

050100150200250JanFebMarAprMayJunJulAugSepOctNovDec21619818156910121349150
Rainfall (mm)Rain days
Jan21626
Feb19823
Mar18125
Apr5613
May92
Jun10
Jul00
Aug10
Sep20
Oct133
Nov499
Dec15020

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Mtwango, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around April 28 and lasts for 6.8 months, ending around November 20. The clearest month is September, when the sky is clear, mostly clear, or partly cloudy 80% of the time on average.

The cloudier part of the year begins around November 21 and lasts for 5.2 months, ending around April 27. The cloudiest month is February, when it is overcast or mostly cloudy 89% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecSep 23 · 83%Feb 6 · 10%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan1387
Feb1189
Mar1981
Apr3763
May6238
Jun7228
Jul7426
Aug7426
Sep8020
Oct7129
Nov5248
Dec2872

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around January 1, brings about 12 h 30 min of light; the shortest, around May 24, only 11 h 30 min — a swing of roughly 1 hour.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan12.56:367:04
Feb12.36:477:04
Mar12.16:496:52
Apr11.86:476:35
May11.66:496:25
Jun11.56:576:25
Jul11.57:016:32
Aug11.76:546:36
Sep11.96:376:34
Oct12.26:206:32
Nov12.46:136:39
Dec12.56:216:53

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Mtwango averages about 9 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 1 and 18 days.

The sunnier stretch runs 6.1 months, from around May 12 to Nov 13. The sunniest month is September, with roughly 17 sunny days (bright).

The greyest month is January, down near 1 sunny days — about 92% fewer than the September peak.

0510152025JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantSep 2118 daysJan 291 days
Sunny daysSky
Jan1Gloomy
Feb2Gloomy
Mar2Gloomy
Apr3Gloomy
May10Mixed
Jun14Mixed
Jul16Bright
Aug16Bright
Sep17Bright
Oct13Mixed
Nov9Mixed
Dec5Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Mtwango, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 4.5 months, from around December 5 to April 20. The muggiest month is March, when the air feels humid, muggy or worse about 58% of the time.

The most comfortable stretch runs from around April 21 to December 4, and June is the most comfortable month — the air is dry or comfortable 100% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJun 7 · 100%Mar 13 · 39%humiddrycomfortablehumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)
Jan25047
Feb14753
Mar04258
Apr76627
May55432
Jun9640
Jul10000
Aug10000
Sep9820
Oct82180
Nov48476
Dec145729

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Mtwango is typically light breeze, near 13 km/h, and varies moderately with the seasons.

The windier part of the year lasts 7.6 months, from around Apr 6 to Nov 21. The windiest month is September, averaging about 16 km/h (light breeze).

The calmer part of the year runs from around Nov 22 to Apr 5, with January the calmest month at about 7 km/h.

05101520JanFebMarAprMayJunJulAugSepOctNovDeccalmerwindiercalmercalmlight breezeSep 16 · 16 km/hJan 31 · 7 km/h
Wind speed (km/h)Feels
Jan7calm
Feb7calm
Mar10calm
Apr14light breeze
May15light breeze
Jun15light breeze
Jul16light breeze
Aug16light breeze
Sep16light breeze
Oct16light breeze
Nov14light breeze
Dec9calm

Hazard calendar for Mtwango

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

Mtwango's monsoon runs December–March, when most of the year's rain falls.

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

Best time to visit Mtwango

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Mtwango throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around early May, Mtwango is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Mtwango for general outdoor tourist activities is from late April to mid November, with a peak score in the third week of September.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationSep 21 · 9.0

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan4.3fair
Feb4.2fair
Mar4.5fair
Apr6.1good
May7.9ideal
Jun8.2ideal
Jul8.2ideal
Aug8.5ideal
Sep8.8ideal
Oct8.2ideal
Nov6.9good
Dec5.3fair

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Mtwango for hot-weather activities is from late August to late November, with a peak score in the last week of September.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationSep 29 · 7.6

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Mtwango, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

Mtwango packs about the same all year — highs hold near 25°C. Across the year the things worth having are light clothes, rain gear and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In November, Mtwango sees daytime highs around 25°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

UV index (midday) in Mtwango by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Mtwango peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Jun 15UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme

Average hourly UV index in Mtwango

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in February the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 7 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan8.57
Feb8.57
Mar8.57
Apr86.5
May7.55
Jun75
Jul7.55.5
Aug7.56
Sep86
Oct8.56.5
Nov8.56.5
Dec8.56.5

Air quality in Mtwango by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Mtwango is worst in October — around 21 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1620 µg/m³May 157 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr8Good
May7Good
Jun8Good
Jul11Good
Aug14Moderate
Sep17Moderate
Oct21Moderate
Nov17Moderate
Dec10Good
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Mtwango is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Mtwango banks about 3,043 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around November.

01,0002,0003,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan296
Feb269
Mar292
Apr262
May235
Jun182
Jul169
Aug200
Sep236
Oct289
Nov306
Dec306

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Mtwango receives about 5.6 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 5.0 and 6.9 kWh/m².

The brighter stretch of the year lasts 3.9 months, from around Aug 14 to Dec 11. The brightest month is October, averaging about 6.9 kWh/m² (intense).

The dimmest month is April, down near 5.0 kWh/m² — roughly 27% less than the October peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmoderatebrightintenseOct 196.9 kWhApr 85.0 kWh
Solar energy (kWh/m²)Level
Jan5.3Bright
Feb5.4Bright
Mar5.2Bright
Apr5.0Bright
May5.1Bright
Jun5.1Bright
Jul5.2Bright
Aug5.7Bright
Sep6.6Intense
Oct6.9Intense
Nov6.5Intense
Dec5.6Bright

Where is Mtwango?

Mtwango sits at 9.0°S, 34.8°E, 1,767 m above sea level, in Tanzania. The nearest listed city is Makumbako, 19 km away.

ChimalaMlangaliMafinga

Topography around Mtwango

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

Within 3 km, the terrain around Mtwango has only modest variations in elevation — a maximum elevation change of 125 m around an average of 1,774 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 424 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,233 m.

The land around Mtwango is covered by cropland (69%) within 3 km, cropland (47%) and shrubs (28%) within 16 km, and shrubs (32%), trees (27%) and grassland (22%) within 80 km.

3 km
125 m
16 km
424 m
80 km
2,233 m
treesshrubsgrasslandcroplandartificial surfaces
Nearby: Makumbako 19 km · Ilembula 27 km · Njombe 37 km · Rujewa 58 km · Urunda 68 km · Chimala 87 km · Mlangali 91 km · Mafinga 96 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
Christian 63%Muslim 34%folk religion 1%

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 Mtwango (-9.0167°, 34.8°, elevation 1,767 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).