Climate and monthly weather forecastPuerto Jiménez, Costa Rica

The climate of Puerto Jiménez

Puerto Jiménez, Costa Rica, is characterized by an Af, or Tropical Rainforest, climate according to the Köppen climate classification system. This climate type indicates conditions that are warm and humid throughout the year, punctuated by heavy rainfalls. This geographical location harbors steady warmth all year round with colors of greens and blues dominating the horizon due to the dense vegetation and active rainfall.

Variation in temperature swings between 20.5°C (68.9°F) to 22.7°C (72.9°F) for the low average and 27.6°C (81.7°F) to 31.7°C (89.1°F) for the high average, illustrating an even warm climate. There's a noticeable increase of relative humidity from 72% to 86% throughout the year. These conditions, paired with the high temperature, lead to a sultry and moist environment.

Rainfall appears to be a constant feature all year, only changing in intensity. Monthly rainfall ranges from 34mm (1.34") to 286mm (11.26") and the number of rainfall days varies between 14.3 to 30.7 days. Months from April to November show significantly higher rainfall compared to the rest of the year, peaking between June and October.

The best time to visit Puerto Jiménez

The best time to visit Puerto Jiménez depends largely on what activities visitors intend to pursue. For those who prefer dry, sunshine-filled days, the months from December to March, promise a relatively lower rainfall with totals ranging from 34mm (1.34") to 105mm (4.13") and rain falling on 14.3 to 17.4 days. These months also offer longer hours of sunlight with an average daylight time of 11.6 hours to 12.3 hours and sunshine duration ranging between 7.6 hours to 9.6 hours.

The worst time to visit Puerto Jiménez

Puerto Jiménez, being a tropical rainforest climate, faces substantial rain almost the entire year. However, the period from May to November can be the most challenging time to visit, where the region is subjected to the highest amounts of rainfall, peaking between June and October. This period experiences rainfall ranging from 183mm (7.2") to 286mm (11.26") and raining on 29 to 30.7 days. Optimal visibility during this period might face some impediment due to the high precipitation. Tourists preferring a drier environment should avoid these months.

Spring weather in Puerto Jiménez

Spring in Puerto Jiménez, like the rest of the year, is warm, with temperatures ranging from 20.8°C (69.4°F) to 22.4°C (72.3°F) on the lower side and 29.3°C (84.7°F) to 31.7°C (89.1°F) as the highest averages. However, the season marks the onset of increased rainfall which begins in March with 43mm (1.69") and escalates to 132mm (5.2") in April. The number of rainy days increases dramatically from 20.8 days in March to 25.1 days in April. This period also shows a significant increase in humidity, rising from 72% in March to 76% in April.

Summer weather in Puerto Jiménez

The summer months in Puerto Jiménez are characterized by heavy rainfall with high humidity levels. Temperature fluctuates between 22.4°C (72.3°F) to 22.7°C (72.9°F) on the lower end and 28.8°C (83.8°F) to 30.8°C (87.4°F) on the higher end. Rainfall, however, demonstrates a dramatic increase from 132mm (5.2") to 243mm (9.57") from May to June. Correspondingly, the number of rainy days also escalates from 25.1 days to 29 days. The combination of high temperatures and heavy rainfall creates a humid and sultry climatic profile during these months.

Autumn weather in Puerto Jiménez

Continuing from the summer, autumn months from September to November also receive heavy rainfall ranging from 183mm (7.2") to 286mm (11.26"). The number of days of rainfall is relatively constant, hovering between 28.6 to 29.5 days. Temperatures during this period range from 21.9°C (71.4°F) to 21.5°C (70.7°F) at the low end and between 28.4°C (83.1°F) to 27.7°C (81.9°F) at the high end. The high rainfall and humidity of 85% to 86% make these months the wettest period in Puerto Jiménez.

Winter weather in Puerto Jiménez

Winter months in Puerto Jiménez, from December to February, mark the onset of comparatively drier periods. While temperatures remain relatively stable with a range of 20.5°C (68.9°F) to 20.8°C (69.4°F) and 27.6°C (81.7°F) to 31.2°C (88.2°F) on the lower and higher ends respectively, rainfall reduces dramatically. December sees rainfall of 105mm (4.13") which further lessens to 59mm (2.32") in January and 34mm (1.34") in February. This reduction in rainfall also leads to a decrease in the number of rainy days from 25.8 days in December to 14.3 days by February. Despite the relative dryness, the winter months also keep a high humidity profile varying between 77% to 83%.

Weather in January

The opening month in Puerto Jiménez, Costa Rica presents a warm start to the year. January witnesses a drier period compared to December and acts as a prelude to a slight rise in temperature observed in February. Despite the humidity level of around 77%, there is a fair balance of sun and cloud with the average daily cloud coverage at 21%. Weather in January »

Weather in February

As Puerto Jiménez welcomes February, an escalation in warmth nudges the weather towards a slightly higher temperature. The air continues to remain relatively dry, with February witnessing lesser rainfall compared to the preceding and succeeding month. Weather in February »

Weather in March

March in Puerto Jiménez, Costa Rica portrays a gradual shift from the semi-dry conditions of February to a damper environment. The temperature begins to ascend further this month, echoing an arrival of summer. The most observable meteorological alteration in March, compared to its neighboring months, is the increment in rainfall, indicating the onset of the wet season. Weather in March »

Weather in April

April in Puerto Jiménez signifies the deepening of wet meteorological conditions, taking a leap from the trends observed in March. The town experiences a humble rise in temperature during this period, juxtaposed with a notable surge in the rainfall volume. Weather in April »

Weather in May

May in Puerto Jiménez introduces the region to its peak wet conditions. Along with the rise in temperature as seen in April, May comes with substantial rainfall. Weather conditions are at their extremes as May holds the highest-recorded relative humidity value of 83% combined with a significant increase in rainfall volume to 256mm (10.08"). Weather in May »

Weather in June

June carries forward the wet conditions introduced by May, adjusting to a slightly cooler temperature in Puerto Jiménez. The persisting high rainfall volume can be perceived as a continuation of the wet season in full swing. Throughout June, wind speeds seem to subdue slightly, fluctuating from 4.7km/h (2.9mph) and intensifying to occasional gusts of 7.2km/h (4.5mph). Weather in June »

Weather in July

July in Puerto Jiménez shares its weather dynamics with June while hinting at a subtle decrease in average temperature. This mid-year month holds its fair share of rainfall and high relative humidity levels, ensuring the persisting dominance of the wet season. Weather in July »

Weather in August

August in Puerto Jiménez, much like its predecessor, remains drenched in monsoon-induced weather. The city observes a shift in the temperature, although slightly higher than the preceding month, coupled with a nearly constant level of rainfall. Weather in August »

Weather in September

September records a slightly diminished monsoon impact in Puerto Jiménez, as rainfall levels reduce compared to August. The month's temperature variations exhibit a moderate dip from the preceding month, signifying an onset of cooling trends. Weather in September »

Weather in October

October in Puerto Jiménez reflects a substantial shift from September's reduced monsoon impact. There is a significant rise in rainfall and a slight drop in temperature, indicating a mixed autumn feel. The weather bears the imprint of the heaviest rainfall of the year, amounting to 286mm (11.26"), emphatically bringing back the monsoon vibe. Weather in October »

Weather in November

November in Puerto Jiménez welcomes a retreat from the heavy rainfall experienced in October. The city experiences a decrease in the average temperature along with a notable decline in precipitation volume as November progresses. Weather in November »

Weather in December

December in Puerto Jiménez marks a significant shift from the preceding month’s rainfall spectrum. The month experiences a decline in temperature, humidity, and rainfall, bringing about drier and cooler conditions. December's weather features a significant reduction in rainfall volume, dropping to 105mm (4.13"), indicating the arrival of the dry season. Weather in December »