Athlone in Summer

In summer (December, January and February), Athlone sees average daytime highs around 22°C and overnight lows near 18°C, with 46 mm of rain over about 9 wet days across the season. It is the warmest season of the year and the driest season of the year.

Across summer, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 73% of the time across summer, and the air most often feels humid.

Summer is Athlone's best season of the year to visit on our travel score. For the whole year in context, see Athlone's year-round climate.

Avg daytime high
22°C
warmest season of the year
Avg overnight low
18°C
Rainfall
46 mm
9 wet days
Avg wind
22 km/h
Travel score
8.4
best season of the year
Months
Dec · Jan · Feb

Temperature in Athlone in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 22°C.

A typical summer day in Athlone reaches about 22°C and drops to 18°C overnight. The warmest of the three months is February, the coolest December.

10°15°20°25°30°DecJanFeb

Athlone 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 18°152.8148.5
Feb22° / 18°14313.38.5
Mar21° / 17°163.312.38.1
Apr20° / 15°435.211.27.2
May18° / 14°678.410.36.3
Jun16° / 12°10811.19.85.2
Jul16° / 11°989.9105.1
Aug16° / 11°8710.310.75.1
Sep17° / 12°518.211.85.7
Oct18° / 14°335.812.96.8
Nov20° / 15°305.113.87.3
Dec21° / 17°173.614.28.1

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Athlone gets around 46 mm of rain over 9 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 22 km/h across summer.

0510152025DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 06 min in early December to 12 h 48 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 7.9 kWh/m².

02468DecJanFeb
Planning a trip in summer

Hazard calendar for Athlone

In seasonPeak

None of Athlone's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

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

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

Is summer a good time to visit Athlone?

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.

8.4
Sightseeing
1st-best month of the year
5.7
Beach & pool
1st-best month of the year

summer is one of the better times to visit Athlone for general sightseeing.

What to pack for Athlone in Summer

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

In summer, Athlone sees daytime highs around 22°C and nights near 18°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 9 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near Athlone in Summer

The nearest coast averages about 17°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in January at about 18°C and coldest in August near 15°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan18Cool
Feb18Cool
Mar17Cool
Apr16Cool
May15Cool
Jun15Cool
Jul15Bracing
Aug15Bracing
Sep15Bracing
Oct15Cool
Nov16Cool
Dec17Cool

UV index in Athlone in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Athlone peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar9Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Very high
Nov11Extreme
Dec12Extreme

Air quality in Athlone in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Athlone is worst in May — around 52 µg/m³ PM2.5 (poor), about 3.4× the cleanest month (December, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2152 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar28Moderate
Apr41Poor
May52Poor
Jun50Poor
Jul47Poor
Aug41Poor
Sep33Moderate
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Athlone?

Athlone sits at 34.0°S, 18.5°E, 15 m above sea level, in South Africa. The nearest listed city is Lansdowne, 2.0 km away.

Topography around Athlone

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

Within 3 km, the terrain around Athlone has only modest variations in elevation — a maximum elevation change of 41 m around an average of 15 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,078 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,973 m.

The land around Athlone is covered by artificial surfaces (66%) within 3 km, artificial surfaces (40%) within 16 km, and water (45%) and grassland (21%) within 80 km.

3 km
41 m
16 km
1,078 m
80 km
1,973 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Lansdowne 2.0 km · Rondebosch 2.0 km · Cape Town 9.0 km · Retreat 10 km · Muizenberg 15 km · Kuils River 19 km · Durbanville 20 km · Kraaifontein 24 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

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 Athlone (-33.9672°, 18.5021°, elevation 15 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.