When is the best time to go to Arenal
The chart above shows the best time of year to visit Arenal, Colombia. 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 Arenal
Arenal weather by month
Please note our recommendations for when to visit Arenal 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 |
|---|---|---|---|
| 30°C | 31mm | 7.3hrs | 12.4hrs |
January is a reasonably dry, humid month in Arenal and the temperature is generally hot.
It is perhaps the perfect month to visit Arenal, with some surprisingly good weather at this time of year.
January is in the winter in Arenal and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (73°F) is normal.
On average January is the driest month of the year in Arenal with around 31mm 1.2 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 7.3 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 44mm | 6.8hrs | 12.6hrs |
February in Arenal is generally reasonably dry with the temperature being very hot.
It is perhaps the perfect month to visit Arenal, with some very good weather at this time of year.
February is in the winter in Arenal and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 23°C (73°F) is normal.
On average February is the 2nd driest month of the year in Arenal with around 44mm 1.7 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 6.8 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 31°C | 80mm | 5.7hrs | 12.8hrs |
The weather in March in Arenal is characteristically very hot, humid and reasonably dry.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Arenal.
March is in the spring in Arenal and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 24°C (75°F) is normal.
On average March is the 3rd driest month of the year in Arenal with around 80mm 3.1 inches of rain making it a reasonably 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 5.7 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 198mm | 5.3hrs | 13hrs |
Arenal's weather in April is typically very hot, humid and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
April is in the spring in Arenal and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 24°C (75°F) is normal.
On average April is the 4th driest month of the year in Arenal with around 198mm 7.8 inches of rain making it a wet 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 5.3 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 283mm | 6hrs | 13.2hrs |
May is a very wet, humid month in Arenal and the temperature is generally very hot.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often not a good and not conducive to spending time outdoors.
May is in the spring in Arenal and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 24°C (75°F) is normal.
On average May is the 5th driest month of the year in Arenal with around 283mm 11.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 219mm | 6.3hrs | 12.4hrs |
Arenal's weather in June is typically very hot, humid and very wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
June is in the summer in Arenal and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 24°C (74°F) is normal.
On average June is the 6th driest month of the year in Arenal with around 219mm 8.6 inches of rain making it a very wet 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 6.3 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 238mm | 7.1hrs | 12.6hrs |
July in Arenal is generally very wet with the temperature being very hot.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
July is in the summer in Arenal and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 24°C (74°F) is normal.
On average July is the 6th wettest month of the year in Arenal with around 238mm 9.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 320mm | 6.9hrs | 12.8hrs |
The weather in August in Arenal is characteristically very hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often not a good and not conducive to spending time outdoors.
August is in the summer in Arenal and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (92°F), whilst at night 23°C (74°F) is normal.
On average August is the 5th wettest month of the year in Arenal with around 320mm 12.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 327mm | 6hrs | 13hrs |
Arenal's weather in September is typically hot, humid and very wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often not a good and not conducive to spending time outdoors.
September is in the fall / autumn in Arenal and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 23°C (73°F) is normal.
On average September is the 4th wettest month of the year in Arenal with around 327mm 12.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 465mm | 5.6hrs | 13.2hrs |
October is a very wet, humid month in Arenal and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often not a good and not conducive to spending time outdoors.
October is in the fall / autumn in Arenal and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (74°F) is normal.
On average October is the 3rd wettest month of the year in Arenal with around 465mm 18.3 inches of rain making it a very wet 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 5.6 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 319mm | 5.9hrs | 12.4hrs |
Arenal's weather in November is typically hot, humid and very wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Arenal for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Arenal and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (74°F) is normal.
On average November is the 2nd wettest month of the year in Arenal with around 319mm 12.6 inches of rain making it a very wet 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 5.9 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 96mm | 6.4hrs | 12.6hrs |
December in Arenal is generally a little damp 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 Arenal.
December is in the winter in Arenal and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 23°C (73°F) is normal.
On average December is the wettest month of the year in Arenal with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
Other monthly averages
Arenal weather stats
| Hottest month: | March | 33.8°C 92.8°F |
|---|---|---|
| Driest month: | January | 31mm 1.2ins |
| Sunniest month: | January | 7.3hrs |
| Coldest month: | October | 31.7°C 89.1°F |
| Wettest month: | October | 465mm 18.3ins |
| Warmest sea: | September | 28.9°C 84°F |
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