Climate and monthly weather forecastRunaway Bay, Jamaica
Climate and monthly weather forecast
The climate of Runaway Bay
Runaway Bay rests under the influence of the Aw Köppen climate classification, which states a Tropical wet and dry or savanna climate. The climatic conditions in Runaway Bay are characterized by high temperatures and significant rainfall most of the year. Monthly average high temperatures remain stable, around 27°C (80.6°F) to 30°C (86°F), while the low temperatures range from 23.1°C (73.6°F) to 26.3°C (79.3°F).Relative humidity stays fairly constant at around 78% to 79% throughout the year. The area experiences rainfall every month, with monthly averages of rainfall varying between 27mm (1.06") and 95mm (3.74"). The most significant rainfall occurs in October and the least in February. The frequency of rainy days reaches its peak, around 23.9 days, in October.
Although the area sees little to no snowfall, the sea temperature remains warm, varying between 27°C (80.6°F) and 29°C (84.2°F) throughout the year. The average number of daylight hours is fairly stable, fluctuating from 11.2 hours in January to 13.2 hours in June. Sunshine hours vary more significantly, between 6.5 hours in December and 11.3 hours in July or September. Lastly, the wind speed varies minimally, from a low of 13.2 KPH in November to a high of 17.9 KPH in June.
The best time to visit Runaway Bay
The best time to visit Runaway Bay predicated on preferred weather conditions varies. For those seeking ample sunshine, the most favourable time would be from June to September when sunlight hours are at their longest. During this period, the average number of sunlight hours ranges from 11 hours to 11.3 hours, and high temperatures range from 29.2°C (84.6°F) to 29.7°C (85.5°F). The sea temperature is also at its warmest, on average 29°C (84.2°F), perfect for water-based activities.The worst time to visit Runaway Bay
The least favourable time to visit Runaway Bay would be the October-November period owing to the weather conditions. October experiences the highest amount of rainfall, with an average of 95mm (3.74"). It also features a high-frequency count of rainy days at 23.9 days. November has the least sunlight hours, at 6.6 hours and along with December, has the lowest wind speeds, 13.2 and 14.9 KPH respectively, which could impede certain outdoor activities.Spring weather in Runaway Bay
During spring, from March to May, Runaway Bay experiences a moderate rise in average high temperatures from 26.6°C (79.9°F) in March to 28.3°C (82.9°F) in May. Concurrently, the average low temperatures increase from 23.1°C (73.6°F) in March to 25°C (77°F) in May. Significant precipitation is observed in May, with an average of 82mm (3.23"). Relative humidity also increases slightly, from 77% in March to 79% in May.Summer weather in Runaway Bay
The summer season ensues from June to August and carries the highest temperatures in Runaway Bay. Average high temperatures fluctuate narrowly between 29.2°C (84.6°F) and 29.7°C (85.5°F). Correspondingly, the average low temperatures oscillate modestly, ranging from 25.6°C (78.1°F) in June to 26.3°C (79.3°F) in August. Rainfall follows a similar pattern, with an average of 49mm (1.93") in June increasing to 57mm (2.24") in August. The average relative humidity remains fairly constant at 79% in June and 78% in August.Autumn weather in Runaway Bay
In Autumn, from September to November, average high temperatures decrease slightly from 29.4°C (84.9°F) in September to 27.9°C (82.2°F) in November. Similarly, average low temperatures fall from 26.2°C (79.2°F) to 24.9°C (76.8°F). Rainfall, however, rises substantially from 88mm (3.46") in September to 95mm (3.74") in October, before falling to 53mm (2.09") in November. The relative humidity remains fairly consistent during this period, varying between 78% and 79%.Winter weather in Runaway Bay
Winter in Runaway Bay, from December to February, sees average high temperatures that range from 27.1°C (80.8°F) in December to 26.6°C (79.9°F) in February. The average low temperatures also experience slight fluctuations, varying from 24.2°C (75.6°F) in December to 23.3°C (73.9°F) in February. Rainfall and the number of rainy days decrease during the winter months, with February observing the least rainfall of the year at 27mm (1.06") and the fewest rainy days at 15. The relative humidity is stable at 78% throughout the winter period.Weather in January
As the year begins in Runaway Bay, Jamaica, January sees a gentle cooling trend compared to the preceding December. Skies during this period remain largely clear with limited cloud cover and high visibility. The onset of the year also ushers in a relatively dry season with significantly less rainfall than in December. Weather in January »Weather in February
Moving into February, the weather of Runaway Bay continues its calming trend. A noticeable shift occurs in the number of rainfall days, with February experiencing fewer rainy days compared to January. Despite the reduced frequency of rain, the sea temperature remains constant, accommodating for swimming and other water-related activities. Weather in February »Weather in March
March ushers in an increase in daylight hours in Runaway Bay, contributing to extended outdoor activities. Interestingly, relative humidity remains constant from February to March, causing no major fluctuation in the 'feel' of the air. Weather in March »Weather in April
The month of April brings a rise in temperature, making it a tad warmer than its March counterpart. The amount of rainfall increases in April, signaling the transition towards the wet portion of the year. More time under the sun can be anticipated as daylight hours extend further into the evening. Weather in April »Weather in May
In Runaway Bay, the weather shift in May highlights a substantial increase in terms of rainfall when compared to April. The month also witnesses an increase in the chances of snowfall, a unique phenomenon this time of the year. Despite these weather anomalies, users of solar-based technologies can rejoice as sunshine hours increase in May. Weather in May »Weather in June
The arrival of June introduces Runaway Bay's warmest month, in contrast to the slightly cooler May. It's quite a rainy period, although not as heavy as May, marking a reduction in the amount of rainfall. The humidity does not drastically alter, preserving the ambiance brought about by the combined heat and moisture. Weather in June »Weather in July
July carries forward the heat from June, with a slight increase in temperature in Runaway Bay. Moving deeper into the summer, rainfall experiences a minor increase compared to June, keeping the environment lush and green. The sea temperature, a major pull for aquatic activity enthusiasts, remains constant during this period. Weather in July »Weather in August
As Runaway Bay cruises through August, the weather maintains its summer characteristics from July. The rainfall frequency increases but does not substantially offset the prevailing weather patterns. It's worth noting that the UV index remains constant, necessitating the continued use of sun protection. Weather in August »Weather in September
The weather in September in Runaway Bay assumes a different behavior, with temperatures dropping slightly as compared to August. Rainfall increases in volume and frequency, implying the need for umbrellas when venturing outdoors. Weather in September »Weather in October
October brings a departure from the decreasing temperature trend of September in Runaway Bay. The significant increase in the number of rainfall days compared to September is worth considering when planning outdoor activities. The chances of experiencing snowfall remain extremely low, maintaining the tropical ambiance. Weather in October »Weather in November
November serves as a transition month in Runaway Bay, with a noticeable temperature drop compared to October. The frequency of rainy days reduces, marking the departure from the wet season and paving the way to a drier season. Weather in November »Weather in December
December in Runaway Bay witnesses the most significant temperature drop from November. Though the volume of rain decreases significantly compared to November, the frequency of rainfall days rises slightly. With the stable sea temperature, December remains an excellent month to enjoy vibrant marine life. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Runaway Bay, Jamaica
The warmest month (with the highest average high temperature) is August (29.7°C).
The months with the lowest average high temperature are February and March (26.6°C).
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).
Average pressure
Runaway Bay, Jamaica
- Average pressure in January:
1015.7mbar - Average pressure in February:
1015.6mbar - Average pressure in March:
1015.4mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1013.8mbar - Average pressure in June:
1014.2mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1012.6mbar - Average pressure in December:
1014.6mbar
The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed
Runaway Bay, Jamaica
- Average wind speed in January:
16.4km/h - Average wind speed in February:
16.4km/h - Average wind speed in March:
16.2km/h - Average wind speed in April:
14.8km/h - Average wind speed in May:
15.7km/h - Average wind speed in June:
17.9km/h
- Average wind speed in July:
17.2km/h - Average wind speed in August:
16.1km/h - Average wind speed in September:
13.3km/h - Average wind speed in October:
13.2km/h - Average wind speed in November:
14.9km/h - Average wind speed in December:
17.1km/h
The windiest month (with the highest average wind speed) is June (17.9km/h).
The calmest month (with the lowest average wind speed) is October (13.2km/h).
Average humidity
Runaway Bay, Jamaica
The months with the highest relative humidity are May, June, November and December (79%).
The month with the lowest relative humidity is March (77%).
Average rainfall
Runaway Bay, Jamaica
The wettest month (with the highest rainfall) is October (95mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days
Runaway Bay, Jamaica
- Average rainfall days in January:
16.8 days - Average rainfall days in February:
15 days - Average rainfall days in March:
17.7 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
21.2 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
18.2 days - Average rainfall days in October:
23.9 days - Average rainfall days in November:
20 days - Average rainfall days in December:
18.6 days
The month with the highest number of rainy days is October (23.9 days).
The month with the least rainy days is February (15 days).
Average snowfall
Runaway Bay, Jamaica
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days
Runaway Bay, Jamaica
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average sea temperature
Runaway Bay, Jamaica
The best months for swimming (with the highest average sea temperature) are June, July, August, September, October and November (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (27°C).
Average daylight / Average sunshine
Runaway Bay, Jamaica
- Average daylight in January:
11h and 12min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 12min
- Average daylight in July:
13h and 6min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 18min - Average daylight in December:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
6h and 42min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 36min - Average sunshine in April:
10h and 54min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
11h and 18min - Average sunshine in September:
11h and 18min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
The months with the most sunshine are August and September (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Runaway Bay, Jamaica
- Average sunshine days in January:
9.6 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
7.2 days - Average sunshine days in April:
5.6 days - Average sunshine days in May:
3.4 days - Average sunshine days in June:
7.3 days
- Average sunshine days in July:
6.4 days - Average sunshine days in August:
3.8 days - Average sunshine days in September:
3.6 days - Average sunshine days in October:
3.5 days - Average sunshine days in November:
5 days - Average sunshine days in December:
5.5 days
The month with the most sunshine days is January (9.6 days).
The month with the least sunshine days is May (3.4 days).
Average UV index
Runaway Bay, Jamaica
The months with the highest UV index are April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February and March (UV index 6).
Average cloud cover
Runaway Bay, Jamaica
The months with the most cloud cover are November and December (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility
Runaway Bay, Jamaica
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





