Geraldton in Summer
In summer (December, January and February), Geraldton sees average daytime highs around 26°C and overnight lows near 21°C, with 22 mm of rain over about 3 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 24°C in early December to 27°C by late February. The sky is clear or mostly clear about 80% of the time across summer, and the air most often feels humid.
Summer is Geraldton's best season of the year to visit on our travel score. For the whole year in context, see Geraldton's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 22 mm
- 3 wet days
- Avg wind
- 26 km/h
- Travel score
- 8.8
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Geraldton in Summer
Over the season highs climb from about 24°C in early December to 27°C by late February.
A typical summer day in Geraldton reaches about 26°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.
Geraldton 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 | 26° / 21° | 7 | 1.1 | 13.6 | 8.9 |
| Feb | 27° / 22° | 10 | 1.4 | 13 | 8.4 |
| Mar | 27° / 22° | 13 | 1.4 | 12.2 | 8.5 |
| Apr | 25° / 20° | 15 | 2.6 | 11.3 | 8.5 |
| May | 22° / 17° | 38 | 4.8 | 10.6 | 8.0 |
| Jun | 20° / 15° | 56 | 7.6 | 10.2 | 7.1 |
| Jul | 19° / 14° | 58 | 7.8 | 10.4 | 6.8 |
| Aug | 19° / 14° | 37 | 6.6 | 11 | 7.1 |
| Sep | 20° / 15° | 22 | 4.6 | 11.8 | 7.5 |
| Oct | 21° / 16° | 10 | 2.3 | 12.7 | 8.3 |
| Nov | 23° / 18° | 8 | 1.6 | 13.4 | 8.8 |
| Dec | 25° / 20° | 4 | 0.9 | 13.8 | 9.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 80% of the time across summer.
Chance of precipitation in Summer
Geraldton gets around 22 mm of rain over 3 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 26 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 42 min in early December to 12 h 42 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 7.9 kWh/m².
Hazard calendar for Geraldton
In summer, Geraldton overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Geraldton sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is summer a good time to visit Geraldton?
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 one of the better times to visit Geraldton for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Geraldton in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Geraldton sees daytime highs around 26°C and nights near 21°C. Pack light clothes and sun protection. Worth having: a windbreaker.
Sea temperature near Geraldton in Summer
The nearest coast averages about 23°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in March at about 24°C and coldest in September near 19°C.
It's comfortable for a long swim from Oct 25 to Aug 4 — about 9.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 23 | 24 | 23 | 22 | 21 | 21 | 20 | 19 | 20 | 21 | 22 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 24 | Refreshing |
| Apr | 23 | Refreshing |
| May | 22 | Refreshing |
| Jun | 21 | Refreshing |
| Jul | 21 | Refreshing |
| Aug | 20 | Cool |
| Sep | 19 | Cool |
| Oct | 20 | Cool |
| Nov | 21 | Refreshing |
| Dec | 22 | Refreshing |
UV index in Geraldton in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Geraldton peaks around January 1 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).
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) | 14 | 13 | 12 | 7 | 5 | 4 | 4 | 6 | 8 | 11 | 10 | 14 |
| Level | Extreme | Extreme | Extreme | High | High | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 7 | High |
| May | 5 | High |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 10 | Extreme |
| Dec | 14 | Extreme |
Where is Geraldton?
Geraldton sits at 28.8°S, 114.6°E, 15 m above sea level, in Australia. The nearest listed city is Ellenbrook, 357 km away.
Topography around Geraldton
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Geraldton.
Within 3 km, the terrain around Geraldton has only modest variations in elevation — a maximum elevation change of 52 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, significant variations in elevation — a maximum elevation change of 318 m.
The land around Geraldton is covered by artificial surfaces (36%) and water (34%) within 3 km, water (53%) within 16 km, and water (48%) and cropland (35%) within 80 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
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 Geraldton (-28.779°, 114.6146°, 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.