Otjiwarongo in Summer
In summer (December, January and February), Otjiwarongo sees average daytime highs around 31°C and overnight lows near 18°C, with 321 mm of rain over about 40 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 32°C in early December to 29°C by late February. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels dry.
Summer is Otjiwarongo's weakest season of the year to visit on our travel score. For the whole year in context, see Otjiwarongo's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 321 mm
- 40 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.3
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Otjiwarongo in Summer
Over the season highs ease from about 32°C in early December to 29°C by late February.
A typical summer day in Otjiwarongo reaches about 31°C and drops to 18°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Otjiwarongo
Once humidity and wind are folded in, summer brings about 1 day that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Otjiwarongo weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 18° | 121 | 14.2 | 13.1 | 4.3 |
| Feb | 30° / 18° | 118 | 14.3 | 12.7 | 4.5 |
| Mar | 29° / 17° | 83 | 12.7 | 12.1 | 5.4 |
| Apr | 28° / 15° | 28 | 5.6 | 11.5 | 7.5 |
| May | 26° / 12° | 2 | 0.4 | 11 | 9.1 |
| Jun | 24° / 8° | 0 | 0 | 10.8 | 9.7 |
| Jul | 24° / 8° | 0 | 0.1 | 10.9 | 9.6 |
| Aug | 27° / 10° | 0 | 0.1 | 11.3 | 8.8 |
| Sep | 31° / 14° | 4 | 1.2 | 11.9 | 6.2 |
| Oct | 32° / 17° | 18 | 4.4 | 12.5 | 4.6 |
| Nov | 32° / 18° | 42 | 8.3 | 13 | 4.3 |
| Dec | 32° / 18° | 82 | 11.8 | 13.2 | 4.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Otjiwarongo gets around 321 mm of rain over 40 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 12 min in early December to 12 h 30 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.0 kWh/m².
Is summer a good time to visit Otjiwarongo?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Otjiwarongo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Otjiwarongo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Otjiwarongo sees daytime highs around 31°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 40 days see rain.
UV index in Otjiwarongo in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Otjiwarongo peaks around January 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (high).
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) | 16 | 14 | 14 | 10 | 8 | 7 | 7 | 9 | 10 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 10 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Otjiwarongo in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Otjiwarongo is worst in October — around 19 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (May, 4 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) | 13 | 10 | 7 | 4 | 4 | 5 | 5 | 11 | 19 | 19 | 16 | 13 |
| Level | Moderate | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 10 | Good |
| Mar | 7 | Good |
| Apr | 4 | Good |
| May | 4 | Good |
| Jun | 5 | Good |
| Jul | 5 | Good |
| Aug | 11 | Good |
| Sep | 19 | Moderate |
| Oct | 19 | Moderate |
| Nov | 16 | Moderate |
| Dec | 13 | Moderate |
Where is Otjiwarongo?
Otjiwarongo sits at 20.5°S, 16.6°E, 1,475 m above sea level, in Namibia. The nearest listed city is Okahandja, 171 km away.
Topography around Otjiwarongo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Otjiwarongo.
Within 3 km, the terrain around Otjiwarongo has only modest variations in elevation — a maximum elevation change of 59 m around an average of 1,466 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 402 m; within 80 km, large variations in elevation — a maximum elevation change of 1,016 m.
The land around Otjiwarongo is covered by shrubs (61%) and artificial surfaces (22%) within 3 km, shrubs (84%) within 16 km, and shrubs (92%) within 80 km.
Namibia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / M
- 220 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $4,876
- 2025
- Happiness
- 4.8 / 10
- World Happiness, 2025
- Homicide rate
- 11.2
- per 100k, 2021
- Road deaths
- 34.8
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Otjiwarongo (-20.4637°, 16.6477°, elevation 1,475 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.