When is the best time to go to Boulder

Best time to go
OK time to go
Worst time to go

The chart above shows the best time of year to visit Boulder, Australia. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Boulder

Boulder weather by month

Please note our recommendations for when to visit Boulder are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Boulder January weather averages
Temp Rain Sunshine Day length
30°C 25mm 11.4hrs 14.8hrs

January is a dry month in Boulder and the temperature is generally hot.

Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Boulder.

January is in the summer in Boulder and is typically the coldest month of the year. Daytime maximum temperatures average around a warm 33°C (92°F), whilst at night 18°C (64°F) is normal.

On average January is the driest month of the year in Boulder with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.4 hours of sunshine per day.

Boulder weather in January »

February

Boulder February weather averages
Temp Rain Sunshine Day length
29°C 26mm 10.2hrs 14hrs

February in Boulder is generally dry with the temperature being hot.

Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Boulder.

February is in the summer in Boulder and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 32°C (89°F), whilst at night 17°C (63°F) is normal.

On average February is the 2nd driest month of the year in Boulder with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.2 hours of sunshine per day.

Boulder weather in February »

March

Boulder March weather averages
Temp Rain Sunshine Day length
26°C 23mm 9.2hrs 13.1hrs

The weather in March in Boulder is characteristically warm and dry.

It is perhaps the perfect month to visit Boulder, with some surprisingly good weather at this time of year.

March is in the fall / autumn in Boulder and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a comfortable 29°C (85°F), whilst at night 16°C (60°F) is normal.

On average March is the 3rd driest month of the year in Boulder with around 23mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

Boulder weather in March »

April

Boulder April weather averages
Temp Rain Sunshine Day length
22°C 25mm 7.6hrs 12.2hrs

Boulder's weather in April is typically warm and dry in nature.

It is perhaps a good month to visit Boulder, with some inordinately good weather at this time of year.

April is in the fall / autumn in Boulder and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 12°C (54°F) is normal.

On average April is the 4th driest month of the year in Boulder with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.6 hours of sunshine per day.

Boulder weather in April »

May

Boulder May weather averages
Temp Rain Sunshine Day length
18°C 33mm 6.9hrs 11.5hrs

May is a reasonably dry month in Boulder and the temperature is generally mild.

Based on weather alone, this is probably a time of year to avoid going to Boulder for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

May is in the fall / autumn in Boulder and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 8°C (46°F) is normal.

On average May is the 5th driest month of the year in Boulder with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.9 hours of sunshine per day.

Boulder weather in May »

June

Boulder June weather averages
Temp Rain Sunshine Day length
15°C 37mm 6.2hrs 14.8hrs

The weather in June in Boulder is characteristically mild and reasonably dry.

Based on weather alone, this is probably a time of year to avoid going to Boulder for your holidays. The weather is often not a good and not conducive to spending time outdoors.

June is in the winter in Boulder and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 6°C (42°F) is normal.

On average June is the 6th driest month of the year in Boulder with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 hours of sunshine per day.

Boulder weather in June »

July

Boulder July weather averages
Temp Rain Sunshine Day length
14°C 28mm 6.7hrs 14hrs

July in Boulder is generally dry with the temperature being mild.

Based on weather alone, this is probably a time of year to avoid going to Boulder for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

July is in the winter in Boulder and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 4°C (40°F) is normal.

On average July is the 6th wettest month of the year in Boulder with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.7 hours of sunshine per day.

Boulder weather in July »

August

Boulder August weather averages
Temp Rain Sunshine Day length
16°C 22mm 7.9hrs 13.1hrs

The weather in August in Boulder is characteristically mild and dry.

Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Boulder.

August is in the winter in Boulder and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (41°F) is normal.

On average August is the 5th wettest month of the year in Boulder with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

Boulder weather in August »

September

Boulder September weather averages
Temp Rain Sunshine Day length
20°C 16mm 9.1hrs 12.2hrs

Boulder's weather in September is typically mild and dry in nature.

It is perhaps a good month to visit Boulder, with some extremely good weather at this time of year.

September is in the spring in Boulder and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 7°C (45°F) is normal.

On average September is the 4th wettest month of the year in Boulder with around 16mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.1 hours of sunshine per day.

Boulder weather in September »

October

Boulder October weather averages
Temp Rain Sunshine Day length
23°C 18mm 9.9hrs 11.5hrs

October is a dry month in Boulder and the temperature is generally mild.

It is perhaps the perfect month to visit Boulder, with some inordinately good weather at this time of year.

October is in the spring in Boulder and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 10°C (51°F) is normal.

On average October is the 3rd wettest month of the year in Boulder with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.9 hours of sunshine per day.

Boulder weather in October »

November

Boulder November weather averages
Temp Rain Sunshine Day length
26°C 19mm 10.4hrs 14.8hrs

Boulder's weather in November is typically warm and dry in nature.

It is perhaps the perfect month to visit Boulder, with some extremely good weather at this time of year.

November is in the spring in Boulder and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 14°C (57°F) is normal.

On average November is the 2nd wettest month of the year in Boulder with around 19mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.4 hours of sunshine per day.

Boulder weather in November »

December

Boulder December weather averages
Temp Rain Sunshine Day length
29°C 17mm 11.6hrs 14hrs

December in Boulder is generally dry with the temperature being hot.

Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Boulder.

December is in the summer in Boulder and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 32°C (89°F), whilst at night 16°C (61°F) is normal.

On average December is the wettest month of the year in Boulder with around 17mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.6 hours of sunshine per day.

Boulder weather in December »

Other monthly averages

UV index Best time to go?

Boulder weather stats

Boulder weather statistics
Hottest month: January 32.9°C 91.2°F
Driest month: September 16mm 0.6ins
Sunniest month: December 11.6hrs
Coldest month: July 15.8°C 60.4°F
Wettest month: June 37mm 1.5ins
Warmest sea: March 22.8°C 73°F
Map showing location of Boulder (-30.74614, 121.4742) Boulder map pin © Google

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