April weather forecast
San Juan, Dominican Republic

In San Juan, April is when rainfall starts escalating, a change from the drier initial months. During this period, the city faces an average rainfall of 107mm (4.21") across 10 days. Despite the increased rainfall, temperatures keep rising, allowing for a uniformly warm climate during the day and night. April expresses the harmony between the climbing temperatures and increased precipitation. It marks the transition from the relatively dry season to a wetter season.

Temperature

April's onset brings an average high-temperature of a still hot 31°C (87.8°F), showing a minute difference from March's 30°C (86°F). Despite the intense daytime heat, San Juan sustains a steady low-temperature average of 18°C (64.4°F) during April.

Rainfall

In San Juan, in April, during 10 rainfall days, 107mm (4.21") of precipitation is typically accumulated. In San Juan, Dominican Republic, during the entire year, the rain falls for 154 days and collects up to 1160mm (45.67") of precipitation.

Daylight

In San Juan, the average length of the day in April is 12h and 35min.
On the first day of the month, sunrise is at 06:38 and sunset at 18:59. On the last day of April, sunrise is at 06:17 and sunset at 19:07 AST.

Sunshine

The months with the most sunshine in San Juan are February through April, June through August, with an average of 8h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in San Juan. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 12 in April translates into these instructions:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. After every outdoor workout or swim, liberally apply and frequently reapply a broad-spectrum SPF 30+ sunscreen.