St Mary Weather in January
January in St Mary typically sees daytime highs of 28°C (82°F) and nighttime lows of 22°C (72°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in St Mary in January
Past climate data indicates that roughly 7 days will see rain, totalling around 68 mm (2.7 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in St Mary in January
If you're visiting St Mary in January, expect perfect temperatures with highs of 28°C (82°F) and overnight lows of 22°C (72°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 22°C (72°F), evenings stay pleasantly warm. Although it's cooler than other months, you can still expect warm and pleasant weather.
Sunshine in St Mary in January
The city usually sees around 257 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April and December typically offer the best circumstances for St Mary.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our St Mary's climate page.
St Mary Temperature in January
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Chance of Rain
23%
Precipitation
68 mm (2.7 in)
Rainy days
7 days
Humidity
73% *
Sunshine
257 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in St Mary typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for St Mary in January
Browse day-by-day weather records for St Mary spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
St Mary historical weather extremes in January
According to our 21 years of weather records for St Mary, the following extremes were recorded between 2004 and 2025.
- The warmest day in January was on January 6, 2007, with a maximum of 34°C (93°F).
- The coldest January day was on January 11, 2010, with a maximum of 24°C (75°F).
- Nighttime temperatures dropped to 19°C (66°F) on January 11, 2010, marking the coldest January night on record.
Best Places in Jamaica in January
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in St Mary in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in St Mary in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our St Mary's climate page.
Temperature Rainfall Sunshine Humidity
See the full St Mary climate overview or explore weather in Jamaica.
