Kirwan in Summer

In summer (December, January and February), Kirwan sees average daytime highs around 31°C and overnight lows near 25°C, with 514 mm of rain over about 47 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels oppressive.

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

Avg daytime high
31°C
warmest season of the year
Avg overnight low
25°C
Rainfall
514 mm
47 wet days
Avg wind
11 km/h
Travel score
3.8
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Kirwan in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 31°C.

A typical summer day in Kirwan reaches about 31°C and drops to 25°C overnight. The warmest of the three months is December, the coolest December.

20°25°30°35°DecJanFeb

How summer really feels in Kirwan

Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
90
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kirwan 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
Jan31° / 25°20816.6133.7
Feb31° / 25°21817.612.73.6
Mar30° / 23°12712.712.14.5
Apr29° / 21°496.911.65.9
May27° / 19°294.911.17.4
Jun25° / 16°203.810.98.1
Jul25° / 15°162.7118.4
Aug26° / 16°152.211.38.3
Sep28° / 18°103.311.97.6
Oct29° / 21°225.112.46.3
Nov30° / 23°47812.95.2
Dec31° / 24°8812.613.14.2

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Kirwan gets around 514 mm of rain over 47 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — 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 11 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 06 min in early December to 12 h 24 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 6.0 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Kirwan

In seasonPeak

In summer, Kirwan overlaps its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

Kirwan sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Kirwan's monsoon runs January–March, when most of the year's rain falls.

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

Is summer a good time to visit Kirwan?

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.

3.8
Sightseeing
4th-best month of the year
5.7
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Kirwan.

What to pack for Kirwan in Summer

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

In summer, Kirwan sees daytime highs around 31°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 47 days see rain.

light clothesrain gearsun protection

Sea temperature near Kirwan in Summer

The nearest coast averages about 29°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 22 km away) is warmest in February at about 29°C and coldest in July near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr27Warm
May25Warm
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep24Warm
Oct26Warm
Nov27Warm
Dec29Tropical

UV index in Kirwan in Summer

LowModerateHighVery highExtreme

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 Kirwan peaks around February 9 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 9UV 16Jun 20UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Kirwan?

Kirwan sits at 19.3°S, 146.7°E, 15 m above sea level, in Australia. The nearest listed city is Townsville, 9.0 km away.

Airlie BeachCairnsMackayPort DouglasRockhamptonGladstoneMount Isa

Topography around Kirwan

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

Within 3 km, the terrain around Kirwan has only modest variations in elevation — a maximum elevation change of 181 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 708 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,212 m.

The land around Kirwan is covered by artificial surfaces (51%) and trees (28%) within 3 km, trees (38%) and grassland (32%) within 16 km, and trees (40%), water (35%) and grassland (20%) within 80 km.

3 km
181 m
16 km
708 m
80 km
1,212 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
Summer weather nearby: Townsville 9.0 km · Airlie Beach 234 km · Cairns 283 km · Mackay 327 km · Port Douglas 341 km · Rockhampton 599 km · Gladstone 689 km · Mount Isa 771 km

Australia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$65,130
2025
Happiness
6.9 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
Religion
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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 Kirwan (-19.3032°, 146.7253°, 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.