When is the best time to go to San Dimas
The chart above shows the best time of year to visit San Dimas, 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 San Dimas
San Dimas weather by month
Please note our recommendations for when to visit San Dimas 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 |
|---|---|---|---|
| 17°C | 90mm | 7.7hrs | 11.1hrs |
San Dimas'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 San Dimas for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in San Dimas and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 19°C (65°F), whilst at night 4°C (40°F) is normal.
On average January is the driest month of the year in San Dimas with around 90mm 3.5 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 7.7 hours of sunshine per day.
San Dimas weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 90mm | 8.4hrs | 11.8hrs |
February in San Dimas is generally a little damp with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to San Dimas for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
February is in the winter in San Dimas and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 20°C (68°F), whilst at night 5°C (42°F) is normal.
On average February is the 2nd driest month of the year in San Dimas with around 90mm 3.6 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 8.4 hours of sunshine per day.
San Dimas weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 79mm | 9hrs | 12.8hrs |
The weather in March in San Dimas is characteristically mild and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to San Dimas for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in San Dimas and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 6°C (43°F) is normal.
On average March is the 3rd driest month of the year in San Dimas with around 79mm 3.1 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 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 31mm | 10.5hrs | 13.9hrs |
San Dimas's weather in April 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 San Dimas.
April is in the spring in San Dimas and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 8°C (46°F) is normal.
On average April is the 4th driest month of the year in San Dimas with around 31mm 1.2 inches of rain making it a reasonably 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 |
|---|---|---|---|
| 22°C | 9mm | 10hrs | 14.8hrs |
May is a very dry month in San Dimas and the temperature is generally mild.
It is perhaps a good month to visit San Dimas, with some very good weather at this time of year.
May is in the spring in San Dimas and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 11°C (51°F) is normal.
On average May is the 5th driest month of the year in San Dimas with around 9mm 0.4 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.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 1mm | 10.8hrs | 11.1hrs |
San Dimas's weather in June is typically warm and very dry in nature.
It is perhaps the perfect month to visit San Dimas, with some surprisingly good weather at this time of year.
June is in the summer in San Dimas and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 13°C (56°F) is normal.
On average June is the 6th driest month of the year in San Dimas with around 1mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.8 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 1mm | 12.2hrs | 11.8hrs |
July in San Dimas is generally very 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 a good time to visit San Dimas.
July is in the summer in San Dimas and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 33°C (91°F), whilst at night 16°C (61°F) is normal.
On average July is the 6th wettest month of the year in San Dimas with around 1mm 0.1 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 |
|---|---|---|---|
| 30°C | 4mm | 11.7hrs | 12.8hrs |
The weather in August in San Dimas is characteristically hot and very dry.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it a good time to visit San Dimas.
August is in the summer in San Dimas and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 33°C (91°F), whilst at night 17°C (62°F) is normal.
On average August is the 5th wettest month of the year in San Dimas with around 4mm 0.2 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 |
|---|---|---|---|
| 27°C | 10mm | 10.2hrs | 13.9hrs |
San Dimas's weather in September is typically warm and 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 San Dimas.
September is in the fall / autumn in San Dimas and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (87°F), whilst at night 14°C (58°F) is normal.
On average September is the 4th wettest month of the year in San Dimas with around 10mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.2 hours of sunshine per day.
San Dimas weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 9mm | 9.1hrs | 14.8hrs |
October is a very dry month in San Dimas and the temperature is generally warm.
It is perhaps the perfect month to visit San Dimas, with some surprisingly good weather at this time of year.
October is in the fall / autumn in San Dimas and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 11°C (52°F) is normal.
On average October is the 3rd wettest month of the year in San Dimas with around 9mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
San Dimas weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 49mm | 7.9hrs | 11.1hrs |
The weather in November in San Dimas is characteristically mild and reasonably dry.
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 San Dimas.
November is in the fall / autumn in San Dimas and is typically the 2nd 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 November is the 2nd wettest month of the year in San Dimas with around 49mm 1.9 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.
San Dimas weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 62mm | 7.6hrs | 11.8hrs |
December in San Dimas is generally reasonably dry with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to San Dimas for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in San Dimas and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 4°C (40°F) is normal.
On average December is the wettest month of the year in San Dimas with around 62mm 2.4 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 7.6 hours of sunshine per day.
Other monthly averages
San Dimas weather stats
| Hottest month: | August | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | August | 11.7hrs |
| Coldest month: | December | 18.1°C 64.6°F |
| Wettest month: | February | 90mm 3.5ins |
| Warmest sea: | August | 19.7°C 67.5°F |
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