Best time to visit Gladstone

The best time to visit Gladstone is anytime, but for hot weather visit from November through March, since this is the sunniest and warmest time of year.

However, to avoid the heat, humidity and rain showers of summer, the months of April, September and October offer warm pleasant weather.

Gladstone weather

Gladstone experiences a maritime subtropical climate with warm, humid weather cooled by sea breezes.

Summer, from December through March, in Gladstone is hot, humid and rainy, with an average high temperature of 31°C (88°F).

Winter, from June through September, is predominately dry with just the occasional shower and an average temperature of 23°C (73°F).

Which is the hottest month in Gladstone?
The hottest month in Gladstone is usually January with an average high daytime temperature of 31°C (87°F), high heat and humidity and a low of 23°C (73°F).

However, on the warmest days of the month, the temperature may climb above 32°C (89°F).

The warm season lasts from mid-November through March, with an average daily high temperature above 29°C (84°F).

What is the humidity in Gladstone?
Gladstone experiences seasonal variation in humidity, with approximate average relative humidity calculated at between 60% – 69% over the course of the year.

What do the humidity conditions feel like in Gladstone?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.

Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature. 

The average annual dew point in Gladstone is 15°C (59°F), and varies over the course of the year from comfortable at 9°C (48°F) to starting to feel humid at 20°C (68°F).

The more humid time of year in Gladstone lasts from late-September through to early-May, when you can expect the comfort level to be muggy at least 25% of the time.

The month with the most muggy days in Gladstone is January, with around 26 days that are muggy or worse.

June through August is generally more comfortable, with less than two days in any month that is muggy.

Which is the coldest month in Gladstone?
The coldest month of the year in Gladstone is July, with an average high of 23°C (73°F) and a low of 14°C (57°F).

The cool season lasts from June through August, with an average daily high temperature below 23°C (73°F).

Which is the sunniest month in Gladstone?
The sunniest time of year in Gladstone is usually September with an average of nine hours of sunshine per day; that's on average of 74% of daylight hours.

When is the sea warmest in Gladstone?
The sea is usually at its warmest in Gladstone in February when the water temperature reaches 27°C (80°F), which is pleasant for swimming.

You can expect warmer water in Gladstone from mid-December to early-April, with an average temperature above 26°C (78°F), which is warm enough for swimming.

Which month has the most rain in Gladstone?
January is usually the wettest month in Gladstone with an average of 115mm (4.5in) of rainfall, distributed across eight days.

The rainy season lasts from late-October to late-March, with a greater than 20% chance of a given day being a wet day.

The heaviest rainfall in Gladstone falls during the months of December, January and February.

The dry season lasts from mid-March to late-October. The month with the least number of wet days is July.

Which is the windiest month in Gladstone?
The windiest month of the year in Gladstone is March, with an average hourly wind speed of 20 kilometres per hour (12 mph; 11 knots).

The windy part of the year lasts from mid-November through to late-April, with average wind speeds of more than 17 kilometres per hour (10.6 mph; 9 knots).

The less-windy time of year lasts from late-April through to mid-November. The calmest month of the year in Gladstone is July, with an average hourly wind speed of 15 kilometres per hour (9 mph; 8 knots).

The predominant average hourly wind direction varies throughout the year in Gladstone.

Gladstone Weather Averages

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average high temperature (°C)
31 31 30 28 26 23 23 24 26 27 29 30
Average low temperature (°C)
23 23 22 19 15 13 12 13 16 20 20 22
Average daily sunshine (hrs)
8 7 7 7 7 7 8 8 9 9 9 9
Average daily daylight (hrs)
13 13 12 11 11 10 10 11 12 12 13 13
Comfort level – heat
High heat hot icon High heat hot icon High heat hot icon Moderately hot icon Low heat & humidity icon Low heat & humidity icon Low heat & humidity icon Low heat & humidity icon Moderately hot icon Moderately hot icon Moderately hot icon High heat hot icon
Comfort level – humidity (#muggy days)
26 25 22 12 5 1 1 2 5 11 16 23
Average dew point temperature (°C)
20 20 19 16 13 11 9 10 13 15 17 19
Average relative humidity (%)
66 69 65 65 65 67 65 62 61 60 61 63
UV Index (max)
11+ 11+ 11 8 6 4 5 6 8 10 11+ 11+
Average days of rainfall (≥1mm)
8 8 7 4 3 3 3 2 2 5 5 7
Average monthly rainfall (mm)
116 101 63 26 18 17 15 14 17 48 46 88
Average wind speed (km/h)
19 20 20 18 16 16 15 15 15 17 17 18
Average sea temperature (°C)
27 27 27 25 23 21 20 20 21 23 25 26
Gladstone, Queensland, Australia

Source: Meteorological data for Gladstone, Queensland is based on weather statistics gathered for the 31-year period 1993 to 2024 by the Bureau of Meteorology (BoM) from the closest weather station: Gladstone Airport, located 5km (3mi) from Gladstone.

Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.

Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.