Last updated: August 21, 2025
April in Saint John's, Antigua and Barbuda showcases a delightful tropical climate, characterized by a maximum temperature of 27°C (82°F) and an average of 25°C (78°F). As the warm days progress, temperatures rarely dip below 23°C (74°F), providing a pleasant atmosphere for both locals and visitors. However, expect some rain with an average precipitation of 38 mm (1.5 in) over approximately 14 days, contributing to the lush greenery of the island. With a humidity level of 78%, the air feels warm and inviting, making April an ideal time to explore this vibrant Caribbean destination.
In April, Saint John's, Antigua and Barbuda experiences a delightful transition as the temperature begins to rise, marking the approach of summer. The minimum temperature settles around a comfortable 23°C (74°F), while the average hovers at 25°C (78°F), suggesting perfect conditions for outdoor activities. With a maximum temperature reaching about 27°C (82°F), days become warmer, inviting beachgoers and sun-seekers alike. This slight increase from the preceding months, particularly in the max temperature, hints at the creeping warmth of May, maintaining the consistent climate of tropical splendor that characterizes the region. Overall, April offers that perfect blend of warmth and refreshing breezes, making it an ideal time to explore the beauty of the island.
April brings a slight increase in precipitation to Saint John's, Antigua and Barbuda, with 38 mm (1.5 in) of rainfall over 14 days. This marks a modest rise from March's 31 mm (1.2 in), suggesting a gradual transition towards the wetter months ahead. As spring melds into summer, the rainfall begins to escalate, with May and June expected to see even higher totals. Notably, this early surge of rain prepares the region for the more significant downpours typical in the summer months, where averages climb towards 81 mm (3.2 in) in July and up to 144 mm (5.7 in) by September. The steady increase in both precipitation amounts and rainy days points to a shift in the seasonal weather pattern, hinting at the lush, vibrant landscapes that lie ahead.
In April, Saint John's, Antigua and Barbuda experiences a slight increase in humidity, rising to 78% from the previous month's 76%. This uptick continues the trend of higher humidity as the region transitions deeper into the warmer months. Notably, April's figure marks the beginning of a gradual climb that peaks during the sultry summer, reaching 81% by June. As the tropical climate envelops the island, residents and visitors alike can expect a noticeable shift in comfort levels, with humidity steadily escalating as the season progresses, ultimately settling back down toward the end of the year.
In April, Saint John's, Antigua and Barbuda, experiences an extreme UV Index of 13, similar to March and May, with a rapid burn time of just 10 minutes. This trend of heightened UV exposure indicates a continuous period of intense sun radiation, compelling residents and visitors alike to prioritize sun safety. With consistent readings above 11 from February through to July, it's clear that this tropical paradise is not just a haven for relaxation but also requires vigilance against sunburn. As you soak in the stunning landscapes and vibrant culture, ensure you take precautions to protect your skin. For more detailed insights, check out the Saint John's UV Index.
UV Risk Categories
April in Saint John's, Antigua and Barbuda, bathes the island in a delightful 343 sunshine hours, keeping the energy of spring alive. Notably, this month expertly bridges March's 348 hours of sunshine and the upcoming May, which shines even brighter with 357 hours. The trend throughout the year shows a captivating ascent in daylight, peaking in July with 361 hours before gracefully tapering off in the latter months. April’s warm rays are a promise of the summer to come, inviting visitors and locals alike to bask in the beauty of the island's vibrant landscapes and crystal-clear waters. This sunny month encapsulates the essence of Caribbean bliss, making it an enchanting time to experience the charm of Antigua and Barbuda.
In April, the likelihood of experiencing sunny weather in Saint John's, Antigua and Barbuda dips to 43%, marking a notable decline from the sunnier months of February and March, where chances soared to 71% and 64% respectively. This trend suggests that while the early part of the year often basks in warmth and brightness, April heralds a shift towards more variable conditions, with the chance of sun trailing off as the rainy season approaches. However, the upcoming months, namely May and July, show potential for improvement with chances climbing back to 49% and 50%.
As April arrives in Saint John's, Antigua and Barbuda, residents and visitors alike can enjoy a delightful 12 hours of daylight each day. This month marks a transition, maintaining the longer daylight experienced in March while also setting the stage for the bright days of summer ahead. Following the steady increase since January, when daylight totaled only 11 hours, April sits comfortably alongside May and June, where sunshine continues to flourish. The trend showcases a gradual yet uplifting progression towards the peak daylight hours typical of mid-year, leaving one eager for the radiant warmth of the coming months.
April in Saint John's, Antigua and Barbuda, brings a gentle breeze that complements the island's vibrant atmosphere. With an average wind speed of 6.5 m/s (15 mph), this month marks a slight dip compared to the gustier months of February and March, which showcase speeds of 9.2 m/s (21 mph) and 7.5 m/s (17 mph), respectively. As the transition from the cooler months to the warmth of late spring unfolds, the winds gracefully soften, inviting visitors to embrace the island's serene charm. This pattern of fluctuating winds continues through the year, with May witnessing a subtle increase back to 7.4 m/s (16 mph), indicating a dynamic climate that keeps the coastal air fresh and revitalizing. Overall, April is a delightful time to experience the tranquil breezes of Saint John's as the island readies itself for the bustling summer ahead.
Weather in Saint John's varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Saint John's, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April and January, both months exhibit similar temperature ranges, with minimum temperatures around 23°C (73°F) and average highs reaching 27°C (80-82°F). However, April experiences slightly more rainfall, with a total precipitation of 38 mm (1.5 in) over 14 days, compared to January's 34 mm (1.4 in) over 12 days. The humidity levels are also comparable, with April at 78% and January at 77%, contributing to a consistent tropical feel throughout both months. For more details, you can check Saint John's weather in January.
In comparing the weather between February and April, both months exhibit similar temperature ranges, with April slightly warmer overall. April records a minimum of 23°C (74°F) and a maximum of 27°C (82°F), while February has a minimum of 22°C (72°F) with a maximum of 26°C (80°F). As for precipitation, April sees a small increase with 38 mm (1.5 in) compared to February's 36 mm (1.4 in), both months experiencing rain on about 14 days. Humidity is also marginally higher in April at 78%, compared to February's 76%. For more details on February weather, visit Saint John's weather in February.
In comparing the weather of April and March, both months exhibit warm temperatures with minimal variation. In April, the minimum temperature averages around 23°C (74°F), with highs reaching 27°C (82°F), while March maintains a similar range with a maximum of 26°C (80°F). Precipitation is slightly higher in April at 38 mm (1.5 in) over 14 days, compared to March’s 31 mm (1.2 in) over 11 days. Humidity also sees a marginal increase in April at 78%, compared to March's 76%. For more details on March weather, visit Saint John's weather in March.
April and May present a gradual transition in weather conditions. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (82°F), with an average of 25°C (78°F). The month sees about 38 mm (1.5 in) of precipitation over 14 days, contributing to a humidity level of 78%. In contrast, May experiences slightly warmer weather, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) and an average of 26°C (79°F). Precipitation increases to 49 mm (1.9 in) across 15 days, resulting in a marginally higher humidity of 79%. For more detailed information, check out Saint John's weather in May.
April and June both exhibit warm temperatures, with April featuring a minimum of 23°C (74°F) and an average of 25°C (78°F), while June sees slightly higher temperatures, with a minimum of 24°C (76°F) and an average of 27°C (80°F). Both months experience a similar number of rainy days, but June typically sees increased precipitation, totaling 52 mm (2.0 in) compared to April’s 38 mm (1.5 in). Additionally, humidity levels rise slightly from 78% in April to 81% in June, contributing to a muggier feel as the summer approaches. For more detailed information, check out Saint John's weather in June.
When comparing the weather in April and July, April tends to be slightly cooler, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (82°F), and an average of 25°C (78°F). In contrast, July experiences a warmer climate, with temperatures starting from a minimum of 25°C (78°F) and reaching up to 29°C (84°F), averaging around 27°C (81°F). Additionally, July sees significantly more rainfall, with 81 mm (3.2 in) of precipitation over 19 days, compared to April's 38 mm (1.5 in) over 14 days. Humidity levels are also higher in July, reaching 84% versus April’s 78%. For more details, check Saint John's weather in July.
April and August in Saint John exhibit distinct weather patterns. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (82°F), with an average of 25°C (78°F). The month sees 38 mm (1.5 in) of precipitation across about 14 days, coupled with a humidity level of 78%. In contrast, August experiences slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). Precipitation is significantly higher at 97 mm (3.8 in) over 18 days, with humidity increasing to 83%. This comparison highlights the transition from the milder, wetter April to the warmer, rainier August. For more detailed insights, check out Saint John's weather in August.
In April, the weather in Saint John's is characterized by milder temperatures, with a minimum of 23°C (74°F) and an average of 25°C (78°F), while September sees a slight increase, presenting a minimum of 25°C (77°F) and an average of 28°C (82°F). Alongside these warmer temperatures, September is significantly wetter, receiving 144 mm (5.7 in) of precipitation over 21 days compared to April's 38 mm (1.5 in) spread over 14 days. Humidity levels remain similarly high, with April at 78% and September at 80%. For more detailed insights, you can check Saint John's weather in September.
In April, temperatures in Saint John typically range from a minimum of 23°C (74°F) to a maximum of 27°C (82°F), with an average temperature of around 25°C (78°F). The month experiences 38 mm (1.5 in) of precipitation spread over 14 days, accompanied by a humidity level of 78%. In contrast, October sees slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 29°C (85°F), averaging at 27°C (81°F). However, this month also brings increased rainfall, totaling 109 mm (4.3 in) across 18 days, with humidity only marginally higher at 79%. For more detailed information, you can check Saint John's weather in October.
In comparing the weather of April and November, both months experience warm temperatures, with April having a slightly lower average of 25°C (78°F) compared to November's average of 27°C (80°F). April typically sees minimum temperatures around 23°C (74°F), while November starts at a slightly warmer 24°C (76°F). Precipitation is notably higher in November, with 94 mm (3.7 in) occurring over 17 days, compared to April's 38 mm (1.5 in) over 14 days. Humidity levels are also similar, with November being marginally more humid at 80% compared to April's 78%. For a detailed look at November's climate, visit Saint John's weather in November.
April and December in Saint John exhibit relatively similar tropical climates, though some key differences can be noted. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (82°F), with an average temperature of 25°C (78°F). The month sees 38 mm (1.5 in) of precipitation spread over 14 days, while maintaining a steady humidity level of 78%. In contrast, December experiences slightly warmer temperatures, ranging from 24°C (75°F) to 28°C (82°F), with an average of 26°C (79°F). However, it has a higher precipitation total of 52 mm (2.1 in) across 18 days, keeping the humidity at the same 78%. Thus, while both months provide a warm and humid experience, December tends to be wetter and a bit warmer overall. For more detailed information, you can check Saint John's weather in December.
In April, Saint John's weather presents a delightful transition, marked by warm temperatures and an atmosphere that feels increasingly tropical. With averages hovering around a comfortable 25°C (78°F), this month offers a pleasant escape from the cooler months, though it does bring a noticeable uptick in humidity at 78%. While rainfall is not excessive, with 38 mm over about half the days, it contributes to the lush landscape and vibrancy of the island. Compared to March, when temperatures are slightly cooler and rain is less frequent, April begins to encapsulate the true essence of Caribbean warmth and energy. To explore more about the climate nuances throughout the year, visit Saint John's Climate.