When is the best time to go to Isabela

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The chart above shows the best time of year to visit Isabela, Puerto Rico. 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 Isabela

Isabela weather by month

Please note our recommendations for when to visit Isabela 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

Isabela January weather averages
Temp Rain Sunshine Day length Sea temp
24°C 89mm 8.5hrs 11.9hrs 27°C

January in Isabela is generally a little damp with the temperature being warm.

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

January is in the winter in Isabela and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 20°C (67°F) is normal.

On average January is the driest month of the year in Isabela with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

Isabela weather in January »

February

Isabela February weather averages
Temp Rain Sunshine Day length Sea temp
24°C 76mm 8.9hrs 12.3hrs 26°C

February in Isabela is generally reasonably dry with the temperature being warm.

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

February is in the winter in Isabela and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 19°C (67°F) is normal.

On average February is the 2nd driest month of the year in Isabela with around 76mm 3 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 8.9 hours of sunshine per day.

Isabela weather in February »

March

Isabela March weather averages
Temp Rain Sunshine Day length Sea temp
24°C 86mm 9.5hrs 12.7hrs 26°C

The weather in March in Isabela is characteristically hot, humid and a little damp.

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

March is in the spring in Isabela and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 20°C (68°F) is normal.

On average March is the 3rd driest month of the year in Isabela with around 86mm 3.4 inches of rain making it a a little damp 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 9.5 hours of sunshine per day.

Isabela weather in March »

April

Isabela April weather averages
Temp Rain Sunshine Day length Sea temp
25°C 145mm 9.3hrs 13.3hrs 27°C

Isabela's weather in April is typically hot, humid and wet in nature.

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

April is in the spring in Isabela and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 20°C (69°F) is normal.

On average April is the 4th driest month of the year in Isabela with around 145mm 5.7 inches of rain making it a 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 9.3 hours of sunshine per day.

Isabela weather in April »

May

Isabela May weather averages
Temp Rain Sunshine Day length Sea temp
26°C 254mm 8.6hrs 13.8hrs 27°C

May is a very wet, humid month in Isabela and the temperature is generally hot.

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

May is in the spring in Isabela and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 21°C (70°F) is normal.

On average May is the 5th driest month of the year in Isabela with around 254mm 10 inches of rain making it a very wet 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 8.6 hours of sunshine per day.

Isabela weather in May »

June

Isabela June weather averages
Temp Rain Sunshine Day length Sea temp
26°C 199mm 9hrs 11.9hrs 28°C

The climate in Isabela during June can be summarized as hot, humid and wet.

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

June is in the summer in Isabela and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 22°C (72°F) is normal.

On average June is the 6th driest month of the year in Isabela with around 199mm 7.8 inches of rain making it a 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 9 hours of sunshine per day.

Isabela weather in June »

July

Isabela July weather averages
Temp Rain Sunshine Day length Sea temp
26°C 150mm 9.3hrs 12.3hrs 28°C

July in Isabela is generally wet with the temperature being hot.

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

July is in the summer in Isabela and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 23°C (73°F) is normal.

On average July is the 6th wettest month of the year in Isabela with around 150mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

Isabela weather in July »

August

Isabela August weather averages
Temp Rain Sunshine Day length Sea temp
26°C 198mm 9.2hrs 12.7hrs 29°C

The weather in August in Isabela is characteristically hot, humid and wet.

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

August is in the summer in Isabela and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 23°C (73°F) is normal.

On average August is the 5th wettest month of the year in Isabela with around 198mm 7.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

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

Isabela weather in August »

September

Isabela September weather averages
Temp Rain Sunshine Day length Sea temp
26°C 213mm 8.4hrs 13.3hrs 29°C

Isabela'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 Isabela for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

September is in the fall / autumn in Isabela and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 22°C (72°F) is normal.

On average September is the 4th wettest month of the year in Isabela with around 213mm 8.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.4 hours of sunshine per day.

Isabela weather in September »

October

Isabela October weather averages
Temp Rain Sunshine Day length Sea temp
26°C 201mm 8hrs 13.8hrs 29°C

October is a very wet, humid month in Isabela and the temperature is generally hot.

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

October is in the fall / autumn in Isabela and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 22°C (71°F) is normal.

On average October is the 3rd wettest month of the year in Isabela with around 201mm 7.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

Isabela weather in October »

November

Isabela November weather averages
Temp Rain Sunshine Day length Sea temp
25°C 152mm 7.7hrs 11.9hrs 28°C

November is a wet, humid month in Isabela and the temperature is generally hot.

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

November is in the fall / autumn in Isabela and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 21°C (70°F) is normal.

On average November is the 2nd wettest month of the year in Isabela with around 152mm 6 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

Isabela weather in November »

December

Isabela December weather averages
Temp Rain Sunshine Day length Sea temp
24°C 104mm 7.7hrs 12.3hrs 27°C

December in Isabela is generally damp with the temperature being hot.

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

December is in the winter in Isabela and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 20°C (69°F) is normal.

On average December is the wettest month of the year in Isabela with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

Isabela weather in December »

Other monthly averages

UV index Best time to go?

Isabela weather stats

Isabela weather statistics
Hottest month: August 29.1°C 84.4°F
Driest month: February 76mm 3ins
Sunniest month: March 9.5hrs
Coldest month: February 26.1°C 79°F
Wettest month: May 254mm 10ins
Warmest sea: September 29°C 84.2°F
Map showing location of Isabela (18.50078, -67.02435) Isabela map pin © Google

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