Climate and average weather in Usangi

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

Best: late May to early October

Over the course of the year, the temperature in Usangi typically varies from 16°C to 31°C, and is rarely below 14°C or above 34°C. February is the hottest month of the year, while July is the coldest.

Based on the travel score, the best time of year to visit Usangi for warm-weather activities is from late May to early October.

Hottest
Feb
31°
Coldest
Jul
16°
Wettest
Apr
128 mm
Driest
Jul
9 mm
Rain / yr
611 mm
110 wet days
Daylight
11.8–12.2 h
shortest–longest
Elevation
1,337 m
3.7°S
Clearest
Feb
53% cloud

Usangi 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 May to early October.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

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

Temperatures in Usangi stay fairly even through the year, without a distinct hot or cool season. The warmest month is February, with an average high of 31°C and low of 20°C; the coolest is July, with an average low of 16°C and high of 26°C.

Days typically run about 10°C warmer than nights year-round.

10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan3120
Feb3120
Mar3121
Apr2920
May2719
Jun2617
Jul2616
Aug2716
Sep2817
Oct3019
Nov3020
Dec3020

How hot and cold Usangi really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the hottest afternoons, once humidity is folded in, Usangi feels like about 32°C (around March 8). About 37 days a year carry some heat stress, peaking in March.

15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan31312020
Feb32312020
Mar32312121
Apr30292020
May27271919
Jun26261717
Jul26261616
Aug27271616
Sep28281717
Oct30301919
Nov30302020
Dec31302020

Average hourly temperature in Usangi

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 February afternoons, near 31°C, and coldest before dawn in July, near 16°C.

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

Usangi 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
Jan31° / 20°458.112.25.0
Feb31° / 20°416.512.14.6
Mar31° / 21°9313.8124.1
Apr29° / 20°12820.711.94.1
May27° / 19°8714.311.85.7
Jun26° / 17°133.911.87.1
Jul26° / 16°92.811.87.4
Aug27° / 16°11311.97.2
Sep28° / 17°92.4126.7
Oct30° / 19°326.312.15.6
Nov30° / 20°6914.112.24.6
Dec30° / 20°7414.612.24.6

Chance of rain

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

Usangi gets about 611 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 2.8 months, from around Mar 3 to May 26, peaking in April at about 70% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Sep 5.

April is the wettest month by volume, with 128 mm over about 21 wet days; July is the driest, with 9 mm.

0%10%20%30%40%50%60%70%80%JanFebMarAprMayJunJulAugSepOctNovDecdrierwetterdriermostly drysome rainoften wetvery wetApr 9 · 70%Sep 5 · 7%
Rain on a day (%)Rain days
Jan268
Feb257
Mar4414
Apr6821
May4514
Jun144
Jul93
Aug93
Sep92
Oct216
Nov4614
Dec4715

Monthly rainfall

Over a full year, Usangi collects about 611 mm of rain across 110 wet days — roughly 51 mm in an average month.

It doesn’t fall evenly. April is the wettest month with 128 mm, while July is the driest at just 9 mm. The three wettest months alone bring about 50% of the year’s total.

0255075100125150JanFebMarAprMayJunJulAugSepOctNovDec45419312887139119326974
Rainfall (mm)Rain days
Jan458
Feb417
Mar9314
Apr12821
May8714
Jun134
Jul93
Aug113
Sep92
Oct326
Nov6914
Dec7415

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

In Usangi, 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 September 19 and lasts for 6.8 months, ending around April 14. The clearest month is January, when the sky is clear, mostly clear, or partly cloudy 61% of the time on average.

The cloudier part of the year begins around April 15 and lasts for 5.2 months, ending around September 18. The cloudiest month is July, when it is overcast or mostly cloudy 83% 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%JanFebMarAprMayJunJulAugSepOctNovDecDec 30 · 62%Aug 6 · 15%clearmostly clearpartly cloudymostly cloudyovercastclearercloudierclearer
Clearer (%)Cloudier (%)
Jan6139
Feb6040
Mar5743
Apr4159
May2971
Jun2179
Jul1783
Aug2080
Sep3862
Oct5149
Nov5446
Dec5941

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. Close to the equator, Usangi barely changes through the year: days stay near 12 h 12 min of light in every season.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan12.26:336:44
Feb12.16:406:48
Mar12.06:386:40
Apr11.96:326:27
May11.86:316:21
Jun11.86:366:23
Jul11.86:416:29
Aug11.96:376:30
Sep12.06:246:23
Oct12.16:126:17
Nov12.26:096:20
Dec12.26:196:32

Sunny days

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

Usangi averages about 6 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 2 and 12 days.

The sunnier stretch runs 6.7 months, from around Sep 15 to Apr 5. The sunniest month is March, with roughly 10 sunny days (mixed).

The greyest month is June, down near 2 sunny days — about 81% fewer than the March peak.

051015JanFebMarAprMayJunJulAugSepOctNovDecsunniergreyersunniergloomymixedMar 212 daysJun 202 days
Sunny daysSky
Jan11Mixed
Feb10Mixed
Mar11Mixed
Apr4Gloomy
May2Gloomy
Jun2Gloomy
Jul2Gloomy
Aug3Gloomy
Sep6Gloomy
Oct7Gloomy
Nov6Gloomy
Dec9Mixed

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 Usangi, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 7.4 months, from around October 21 to June 2. The muggiest month is April, when the air feels humid, muggy or worse about 99% of the time.

The most comfortable stretch runs from around June 3 to October 20, and July is the most comfortable month — the air is dry or comfortable 92% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 18 · 95%Apr 18 · 0%muggycomfortablehumiddryhumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan11556280
Feb11853281
Mar0837551
Apr0126730
May01058320
Jun9533620
Jul2468800
Aug1775800
Sep8741800
Oct2404980
Nov01050400
Dec0543520

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.

Wind in Usangi is steady company: average speeds sit near 8 km/hcalm — in every month of the year, with no meaningful windy or calm season.

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeJan 4 · 9 km/hApr 8 · 6 km/h
Wind speed (km/h)Feels
Jan9calm
Feb8calm
Mar7calm
Apr7calm
May7calm
Jun8calm
Jul8calm
Aug8calm
Sep8calm
Oct8calm
Nov8calm
Dec9calm

Hazard calendar for Usangi

In seasonPeak

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

Usangi'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

Best time to visit Usangi

TravelBeach/poolTemperatureCloudsPrecipitation

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

Around late September, Usangi is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

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 Usangi for general outdoor tourist activities is from late May to early October, with a peak score in the third week of July.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJul 16 · 7.4

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
Jan5.0fair
Feb4.5fair
Mar4.1fair
Apr4.1fair
May5.7good
Jun7.1good
Jul7.3good
Aug7.2good
Sep6.7good
Oct5.6good
Nov4.7fair
Dec4.6fair

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best times of year to visit Usangi for hot-weather activities run from late May to mid November and again from late December to mid March, with a peak score in the last week of September.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timebeach/pool scoretemperaturecloudsprecipitationSep 23 · 8.0

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 Usangi, 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.

Usangi packs about the same all year — highs hold near 31°C. Across the year the things worth having are light clothes and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In February, Usangi sees daytime highs around 31°C and nights near 20°C. Pack light clothes and sun protection. About 7 days see rain.

UV index (midday) in Usangi 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 Usangi peaks around March 16 at about 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 19UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Average hourly UV index in Usangi

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 March the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 6.5 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)
Jan86.5
Feb8.56.5
Mar8.56.5
Apr8.56.5
May7.55.5
Jun7.55
Jul7.55.5
Aug7.55.5
Sep86
Oct8.56.5
Nov86.5
Dec86
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Usangi 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. Usangi banks about 5,006 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around March.

02,0004,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan475
Feb446
Mar494
Apr437
May394
Jun341
Jul334
Aug356
Sep385
Oct438
Nov442
Dec464

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.

Usangi receives about 5.5 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.3 and 6.7 kWh/m².

The brighter stretch of the year lasts 6.9 months, from around Sep 15 to Apr 13. The brightest month is February, averaging about 6.6 kWh/m² (intense).

The dimmest month is June, down near 4.4 kWh/m² — roughly 34% less than the February peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecbrighterdimmerbrighterdimmoderatebrightintenseFeb 216.7 kWhJun 244.3 kWh
Solar energy (kWh/m²)Level
Jan6.3Intense
Feb6.7Intense
Mar6.3Intense
Apr5.5Bright
May4.5Bright
Jun4.4Bright
Jul4.4Bright
Aug4.7Bright
Sep5.6Bright
Oct6.1Intense
Nov6.0Bright
Dec5.9Bright

Where is Usangi?

Usangi sits at 3.7°S, 37.7°E, 1,337 m above sea level, in Tanzania. The nearest listed city is Lembeni, 11 km away.

Boma la NgombeMerelaniTarakeaMbuguni

Topography around Usangi

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

Within 3 km, the terrain around Usangi has large variations in elevation — a maximum elevation change of 1,099 m around an average of 1,376 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,400 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,350 m.

The land around Usangi is covered by trees (79%) within 3 km, shrubs (38%) and trees (33%) within 16 km, and shrubs (48%) and grassland (27%) within 80 km.

3 km
1,099 m
16 km
1,400 m
80 km
5,350 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
Nearby: Lembeni 11 km · Taveta 34 km · Same 41 km · Moshi 54 km · Boma la Ngombe 70 km · Merelani 78 km · Tarakea 79 km · Mbuguni 81 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 Usangi (-3.7°, 37.6667°, elevation 1,337 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).