Climate and average weather in Janeng

In Janeng, the summers are hot, showery, and mostly clear and the winters are mild and clear.

Best: early April to late September

Over the course of the year, the temperature in Janeng typically varies from 4°C to 30°C, and is rarely below 0°C or above 34°C. December is the hottest month of the year, while July is the coldest.

Based on the travel score, the best time of year to visit Janeng for warm-weather activities is from early April to late September.

Hottest
Dec
30°
Coldest
Jul
Wettest
Dec
77 mm
Driest
Jul
2 mm
Rain / yr
465 mm
73 wet days
Daylight
10.4–13.6 h
shortest–longest
Elevation
1,311 m
25.4°S
Clearest
Jul
12% cloud

Janeng 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 early April to late September.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

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

The hot season lasts 6.1 months, from September 16 to March 21, with daily high temperatures above 27°C. The hottest month of the year in Janeng is December, with an average high of 30°C and low of 18°C.

The cool season lasts 2.2 months, from May 30 to August 3, with daily high temperatures below 22°C. The coldest month of the year in Janeng is July, with an average low of 4°C and high of 20°C.

Days typically run about 13°C warmer than nights, with the widest day–night swing (around 16°C) in July.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan3019
Feb2918
Mar2817
Apr2513
May238
Jun205
Jul204
Aug237
Sep2712
Oct2915
Nov2917
Dec3018

Average hourly temperature in Janeng

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 December afternoons, near 30°C, and coldest before dawn in July, near C.

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

Janeng 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
Jan30° / 19°7712.613.45.0
Feb29° / 18°7110.312.95.5
Mar28° / 17°629.412.26.5
Apr25° / 13°355.411.47.9
May23° / 162.110.88.9
Jun20° / 91.210.48.6
Jul20° / 20.510.68.7
Aug23° / 51.111.19.2
Sep27° / 12°121.411.88.4
Oct29° / 15°376.112.66.4
Nov29° / 17°6410.513.25.4
Dec30° / 18°7712.713.65.0

Chance of rain

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

Janeng gets about 465 mm of precipitation a year. On a typical day the chance of rain is some rain, but that rises and falls sharply with the seasons.

The wetter season lasts 5.8 months, from around Oct 18 to Apr 11, peaking in January at about 42% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jul 6.

December is the wettest month by volume, with 77 mm over about 13 wet days; July is the driest, with 2 mm.

0%10%20%30%40%50%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetJan 23 · 42%Jul 6 · 2%
Rain on a day (%)Rain days
Jan4113
Feb3610
Mar309
Apr195
May72
Jun41
Jul21
Aug31
Sep61
Oct196
Nov3511
Dec4013

Monthly rainfall

Over a full year, Janeng collects about 465 mm of rain across 73 wet days — roughly 39 mm in an average month.

It doesn’t fall evenly. December is the wettest month with 77 mm, while July is the driest at just 2 mm. The three wettest months alone bring about 48% of the year’s total.

0255075100JanFebMarAprMayJunJulAugSepOctNovDec777162351692512376477
Rainfall (mm)Rain days
Jan7713
Feb7110
Mar629
Apr355
May162
Jun91
Jul21
Aug51
Sep121
Oct376
Nov6411
Dec7713

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

In Janeng, 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 15 and lasts for 6.1 months, ending around October 18. The clearest month is July, when the sky is clear, mostly clear, or partly cloudy 94% of the time on average.

The cloudier part of the year begins around October 19 and lasts for 5.8 months, ending around April 14. The cloudiest month is December, when it is overcast or mostly cloudy 32% 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%JanFebMarAprMayJunJulAugSepOctNovDecJul 21 · 96%Nov 27 · 65%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan6832
Feb7228
Mar7525
Apr8119
May9010
Jun928
Jul946
Aug946
Sep8911
Oct8218
Nov6832
Dec6832

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 13 h 36 min of light; the shortest, around June 11, only 10 h 24 min — a swing of roughly 3 h 12 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan13.45:447:10
Feb12.96:066:59
Mar12.26:226:33
Apr11.46:366:00
May10.86:515:37
Jun10.47:055:31
Jul10.67:075:40
Aug11.16:495:55
Sep11.86:176:08
Oct12.65:456:21
Nov13.25:256:41
Dec13.65:277:01

Sunny days

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

Janeng averages about 20 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 13 and 28 days.

The sunnier stretch runs 6.0 months, from around Apr 16 to Oct 15. The sunniest month is July, with roughly 27 sunny days (brilliant).

The greyest month is December, down near 13 sunny days — about 50% fewer than the July peak.

051015202530JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantJul 2528 daysDec 2713 days
Sunny daysSky
Jan14Mixed
Feb14Mixed
Mar17Bright
Apr19Bright
May25Brilliant
Jun25Brilliant
Jul27Brilliant
Aug27Brilliant
Sep24Brilliant
Oct20Bright
Nov15Bright
Dec14Mixed

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

The more humid part of the year lasts 4.4 months, from around November 18 to April 1. The muggiest month is January, when the air feels humid, muggy or worse about 45% of the time.

The most comfortable stretch runs from around April 2 to November 17, and May 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%JanFebMarAprMayJunJulAugSepOctNovDecMay 12 · 100%Jan 24 · 50%muggyhumidcomfortabledryhumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)
Jan2034379
Feb2036377
Mar3638233
Apr722440
May97300
Jun100000
Jul100000
Aug100000
Sep99100
Oct861310
Nov6127110
Dec3338272

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 Janeng is typically calm, near 12 km/h, and varies little with the seasons.

The windier part of the year lasts 5.1 months, from around Jul 31 to Dec 31. The windiest month is October, averaging about 14 km/h (light breeze).

The calmer part of the year runs from around Jan 1 to Jul 30, with May the calmest month at about 10 km/h.

05101520JanFebMarAprMayJunJulAugSepOctNovDeccalmerwindiercalmlight breezeOct 11 · 14 km/hMay 15 · 10 km/h
Wind speed (km/h)Feels
Jan11calm
Feb11calm
Mar11calm
Apr11calm
May10calm
Jun11calm
Jul11calm
Aug13light breeze
Sep14light breeze
Oct14light breeze
Nov13light breeze
Dec12light breeze

Best time to visit Janeng

TravelBeach/poolTemperatureCloudsPrecipitation

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

Around mid April, Janeng 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 Janeng for general outdoor tourist activities is from early April to late September, with a peak score in the third week of August.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationAug 20 · 9.3

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
Feb5.5fair
Mar6.5good
Apr7.9ideal
May8.9ideal
Jun8.6ideal
Jul8.7ideal
Aug9.2ideal
Sep8.4ideal
Oct6.4good
Nov5.4fair
Dec5.0fair

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 Janeng for hot-weather activities run from mid February to mid May and again from mid August to late November, with a peak score in the third week of September.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timebeach/pool scoretemperaturecloudsprecipitationSep 19 · 8.7

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 Janeng, 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.

For a warm-season trip around December (highs near 30°C), the essentials are light clothes, rain gear and sun protection. In the cold season around July (highs near 20°C), pack a warm layer.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In December, Janeng sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

UV index (midday) in Janeng 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 Janeng peaks around January 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 14UV 14Jun 18UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Average hourly UV index in Janeng

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 January the burn window is concentrated in the middle of the day: about 9 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)
Jan97
Feb8.56.5
Mar86
Apr74.5
May5.51.5
Jun50
Jul50
Aug63
Sep74.5
Oct86
Nov8.56.5
Dec97
Almanac & agriculture

Growing season

Chance of a frost-free day

Janeng is mild enough that a frost-free day stays more likely than not even in midwinter.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDec
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun950
Jul920
Aug980
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)

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. Janeng banks about 3,435 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around January.

01,0002,0003,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan438
Feb384
Mar376
Apr272
May174
Jun78
Jul70
Aug165
Sep286
Oct375
Nov390
Dec428

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.

Janeng receives about 5.8 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.0 and 7.2 kWh/m².

The brighter stretch of the year lasts 6.4 months, from around Sep 2 to Mar 15. The brightest month is December, averaging about 7.2 kWh/m² (intense).

The dimmest month is June, down near 4.0 kWh/m² — roughly 44% less than the December peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecbrighterdimmerbrighterdimmoderatebrightintenseDec 187.2 kWhJun 204.0 kWh
Solar energy (kWh/m²)Level
Jan6.9Intense
Feb6.5Intense
Mar5.8Bright
Apr5.0Bright
May4.5Bright
Jun4.0Moderate
Jul4.3Bright
Aug5.2Bright
Sep6.3Intense
Oct7.0Intense
Nov7.1Intense
Dec7.2Intense

Where is Janeng?

Janeng sits at 25.4°S, 25.6°E, 1,311 m above sea level, in Botswana. The nearest listed city is Lobatse, 25 km away.

RamotswaMosopaItsoseng

Topography around Janeng

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

Within 3 km, the terrain around Janeng has only modest variations in elevation — a maximum elevation change of 73 m around an average of 1,304 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 167 m; within 80 km, large variations in elevation — a maximum elevation change of 605 m.

The land around Janeng is covered by shrubs (64%) and grassland (31%) within 3 km, shrubs (53%) and grassland (39%) within 16 km, and shrubs (54%) and grassland (30%) within 80 km.

3 km
73 m
16 km
167 m
80 km
605 m
treesshrubsgrasslandcroplandartificial surfaces
Nearby: Lobatse 25 km · Mmabatho 49 km · Mafikeng 51 km · Zeerust 54 km · Kanye 55 km · Ramotswa 69 km · Mosopa 73 km · Itsoseng 81 km

Botswana travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G / M
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$7,778
2025
Happiness
3.5 / 10
World Happiness, 2025
Safe drinking water
63%
of population, 2024
Homicide rate
11.4
per 100k, 2021
Road deaths
26.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Christian 79%none 15%Badimo 4%other 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 Janeng (-25.4167°, 25.55°, elevation 1,311 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).