Climate and monthly weather forecastArraiján, Panama

The climate of Arraiján

Arraiján, situated within the boundaries of Panama, basks in the atmospheric conditions associated with a tropical monsoon, commonly known as the Am climate under the Köppen climate classification. With its location close to the equator, this region experiences a large amount of rainfall with high temperatures almost throughout the year.

Temperature highs hover from 28.6°C (83.5°F) to 30.5°C (86.9°F) annually, marking very little fluctuation between the months. Likewise, low temperatures in Arraiján are reasonably stable, dropping to a range of 23.8°C (74.8°F) to 25.2°C (77.4°F). When analyzed, temperature data throughout the year display a distinct uniformity, not dropping significantly below or rising drastically above the average yearly values.

A defining trait of Arraiján’s climate is the humidity levels which fall between 77% to 87% over the year, making the air consistently moist. Maximum rainfall is observed in July with 269mm (10.59"), while February records the lowest precipitation with 13mm (0.51"). The number of rainy days follows this pattern too, hitting a maximum in July and August with 30.1 and 30 days respectively, and dipping to a minimum in February with 11.3 days.

Other meteorological elements such as sunshine hours, cloud cover, and wind follow a less predictive pattern. Sunshine hours range from slightly over half a day to more than half, varying from 7.1 hours per day in October to 9 hours in May. The percentage of cloud cover stays between 39% and 49% throughout the twelve months, moderately clouding the Arraiján sky.

The best time to visit Arraiján

Analysis of weather factors suggests that February would be the best time for a visit to Arraiján. Despite slightly lower hours of sunshine (8.5 hours), this month records the least rainfall, 13mm (0.51") across 11.3 days. With a stable temperature span from 30.1°C (86.2°F) to 23.8°C (74.8°F) and humidity at 78%- one of the lowest in the year, February offers the most comfortable weather conditions.

The worst time to visit Arraiján

July appears to be the least inviting month for a trip favoring comfortable weather conditions. It is the wettest month with a staggering high of 269mm (10.59") precipitation spread across 30.1 days of rainfall. Moreover, this month records a relative humidity level of 87%, the highest for the entire year. Even though the temperature range remains friendly, the combined weather conditions make outdoor activities quite challenging in July.

Spring weather in Arraiján

Spring in Arraiján is characterized by rising humidity and an increased amount of rainfall. From 32mm (1.26") in March, rainfall escalates to a significant 104mm (4.09") in April. By May, rainfall continues to increase, reaching 230mm (9.06"). Correspondingly, humidity also rises to 85% from 77% in March. On a positive note, the number of sunshine hours also increases to reach 9 hours per day in May. Temperatures throughout spring show little variation, on average staying between the margins of 30.3°C (86.5°F) to 24°C (75.2°F) high and 29.7°C (85.5°F) to 25°C (77°F) low.

Summer weather in Arraiján

Summer in Arraiján is marked by the peak of rainfall and humidity. Rainfall takes a sharp rise with June recording 226mm (8.9") of rain that further escalates to a maximum of 269mm (10.59") in July. Humidity also reaches its zenith at 87% by July. Sunshine hours see a dip compared to spring, decreasing to 7.6 hours in July and August. High temperatures show little variation, oscillating from 29.2°C (84.6°F) to 28.9°C (84°F), while low temperatures remain between 25.2°C (77.4°F) and 24.8°C (76.6°F).

Autumn weather in Arraiján

Autumn sees a relative improvement in weather conditions. Though the rainfall remains quite high in this season, it appreciates a gradual drop from September's 182mm (7.17") to November's 211mm (8.31"). Humidity also begins to decrease, ranging from 85% to 86%. The amount of sunshine sees a slight boost to 7.1 hours from 7.6 hours in September. The temperature highs and lows during autumn stay within the scope of 28.9°C (84°F) to 24.3°C (75.7°F) and 28.6°C (83.5°F) to 24.1°C (75.4°F) respectively.

Winter weather in Arraiján

Winter in Arraiján offers a welcome reprieve from the excessively rainy conditions of previous seasons. There is a considerable reduction in rainfall from 211mm (8.31") in November to 125mm (4.92") in December. Meanwhile, the humidity remains consistent at 85%. Sunshine hours improve to 7.3 hours in December. Even in winter, temperatures maintain their steadiness, with highs ranging from 28.6°C (83.5°F) to 28.8°C (83.8°F) and lows fluctuating from 24.1°C (75.4°F) to 24°C (75.2°F).

Weather in January

As the year begins in Arraiján, Panama, the weather characteristically exhibits increased levels of sunshine and wind speeds transition upwards. January introduces the year with the lowest average rainfall in comparison both to the preceding month, December, and the subsequent month, February, with an average precipitation level of 32mm (1.26"). Weather in January »

Weather in February

Transitioning into February, Arraiján experiences a slight rise in weather averages, though there is a dip in expected rainfall. The greatest change is in the humidity levels, which sees a decrease from January’s average of 81% to an average of 78% in February. Weather in February »

Weather in March

In March, changes in Arraiján weather patterns begin to materialize, particularly with respect to humidity and rainfall. Average rainfall figures rise to 20mm (0.79"), a significant increase from the 13mm (0.51") in February. While the temperature range remains fairly steady, a slight increase in atmospheric pressure unfolds. Weather in March »

Weather in April

With the onset of April, weather in Arraiján takes a noticeable turn, heralding the onset of the rainier part of the year. The most significant change takes place in the rainfall figures, with an average of 104mm (4.09"), indicating a substantial increase from March's 20mm (0.79"). Weather in April »

Weather in May

May is a month that experiences an undeniable turn in the Arraiján weather patterns, setting the trend for the following months' forecast. The city witnesses its highest rainfall of the year in May, registering a steep rise to 230mm (9.06") in comparison to 104mm (4.09") in the preceding month, April. Weather in May »

Weather in June

As the city of Arraiján steps into June, climatological characteristics maintain the established patterns of May. A variance from May's weather extremes becomes observable, particularly in terms of rainfall, which sees a slight decrease to 226mm (8.9"). Weather in June »

Weather in July

July introduces subtle changes in the weather elements with a slight dip in rainfall to 269mm (10.59") and temperature maximums in Arraiján. It retains a high hardness level similar to June's, indicating no significant transition in climatic conditions. Weather in July »

Weather in August

August presents minimal variation as the weather in Arraiján continues to follow the steady patterns of the rainy season. There's a noticeable dip in rainfall to 266mm (10.47") compared to July's 269mm (10.59"). Additionally, daylight hours show a slight decline, indicative of the changing season. Weather in August »

Weather in September

In September, the city of Arraiján experiences a transitional phase in its weather manifestations from a flurry of rain to more stable conditions. A welcoming slash in rainfall from the preceding August figures of 266mm (10.47") to 182mm (7.17") sets the city on a course towards dryer conditions. Weather in September »

Weather in October

As Arraiján moves into October, it experiences the turning of weather seasons with rainfall seeing an unexpected surge to 221mm (8.7"). This shift in monsoon characteristics challenges the gradual descent seen towards the end of September. Weather in October »

Weather in November

November marks a decline in multiple weather parameters in Arraiján, notably rainfall which drops to 211mm (8.31") from October's 221mm (8.7"). Other characteristics undergo minor changes with temperature lows, humidity, and wind speed showing a marginal decline. Weather in November »

Weather in December

Culminating the year, December in Arraiján records a decrease in several weather elements. Rainfall reduces significantly from November's 211mm (8.31"), rounding off to roughly 125mm (4.92"). Wind speed climbs from November, offering a respite from the stiller conditions. Weather in December »