When is the best time to go to Fullerton
The chart above shows the best time of year to visit Fullerton, United States. 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 Fullerton
Fullerton weather by month
Please note our recommendations for when to visit Fullerton 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
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 82mm | 7.8hrs | 11.1hrs |
Fullerton's weather in January is typically mild and a little damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Fullerton for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Fullerton and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 20°C (67°F), whilst at night 6°C (43°F) is normal.
On average January is the driest month of the year in Fullerton with around 82mm 3.2 inches of rain making it a a little damp 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 7.8 hours of sunshine per day.
Fullerton weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 70mm | 8.5hrs | 11.8hrs |
February in Fullerton is generally reasonably dry with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to Fullerton for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Fullerton and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 7°C (45°F) is normal.
On average February is the 2nd driest month of the year in Fullerton with around 70mm 2.7 inches of rain making it a reasonably 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 8.5 hours of sunshine per day.
Fullerton weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 63mm | 9.1hrs | 12.8hrs |
The weather in March in Fullerton is characteristically mild and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Fullerton for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Fullerton and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 8°C (46°F) is normal.
On average March is the 3rd driest month of the year in Fullerton with around 63mm 2.5 inches of rain making it a reasonably 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 9.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 29mm | 10.5hrs | 13.9hrs |
Fullerton's weather in April is typically mild and dry in nature.
It is perhaps a good month to visit Fullerton, with some particularly good weather at this time of year.
April is in the spring in Fullerton and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 9°C (49°F) is normal.
On average April is the 4th driest month of the year in Fullerton with around 29mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.5 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 6mm | 9.7hrs | 14.8hrs |
May is a very dry month in Fullerton and the temperature is generally mild.
It is perhaps a good month to visit Fullerton, with some particularly good weather at this time of year.
May is in the spring in Fullerton and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 12°C (53°F) is normal.
On average May is the 5th driest month of the year in Fullerton with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 2mm | 10.3hrs | 11.1hrs |
Warm and very dry weather often prevails in Fullerton during the month of June
It is perhaps the perfect month to visit Fullerton, with some extremely good weather at this time of year.
June is in the summer in Fullerton and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 14°C (57°F) is normal.
On average June is the 6th driest month of the year in Fullerton with around 2mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.3 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 1mm | 12.2hrs | 11.8hrs |
July in Fullerton is generally very dry with the temperature being warm.
It is perhaps the perfect month to visit Fullerton, with some particularly good weather at this time of year.
July is in the summer in Fullerton and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (85°F), whilst at night 16°C (61°F) is normal.
On average July is the 6th wettest month of the year in Fullerton with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 12.2 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 3mm | 11.7hrs | 12.8hrs |
The weather in August in Fullerton is characteristically hot and very dry.
It is perhaps the perfect month to visit Fullerton, with some surprisingly good weather at this time of year.
August is in the summer in Fullerton and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 17°C (62°F) is normal.
On average August is the 5th wettest month of the year in Fullerton with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.7 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 8mm | 10hrs | 13.9hrs |
Fullerton's weather in September is typically warm and very dry in nature.
It is perhaps the perfect month to visit Fullerton, with some particularly good weather at this time of year.
September is in the fall / autumn in Fullerton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 15°C (60°F) is normal.
On average September is the 4th wettest month of the year in Fullerton with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10 hours of sunshine per day.
Fullerton weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 7mm | 8.9hrs | 14.8hrs |
October is a very dry month in Fullerton and the temperature is generally warm.
It is perhaps the perfect month to visit Fullerton, with some extremely good weather at this time of year.
October is in the fall / autumn in Fullerton and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (80°F), whilst at night 13°C (55°F) is normal.
On average October is the 3rd wettest month of the year in Fullerton with around 7mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
Fullerton weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 46mm | 7.9hrs | 11.1hrs |
Fullerton's weather in November is typically mild and reasonably dry in nature.
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 Fullerton.
November is in the fall / autumn in Fullerton and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 9°C (48°F) is normal.
On average November is the 2nd wettest month of the year in Fullerton with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
Fullerton weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 49mm | 7.7hrs | 11.8hrs |
December in Fullerton is generally reasonably dry with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to Fullerton for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Fullerton and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 20°C (67°F), whilst at night 6°C (43°F) is normal.
On average December is the wettest month of the year in Fullerton with around 49mm 1.9 inches of rain making it a reasonably 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 7.7 hours of sunshine per day.
Other monthly averages
Fullerton weather stats
| Hottest month: | August | 29.8°C 85.6°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | August | 11.7hrs |
| Coldest month: | January | 19.3°C 66.7°F |
| Wettest month: | January | 82mm 3.2ins |
| Warmest sea: | August | 20.5°C 68.9°F |
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