Jamaica · 1991–2020

Best time to visit
Portmore

For Portmore, January has the most comfortable weather in our climate comparison. Typical daytime highs are 31.3°C, nights average 22.4°C, and rainfall totals about 21 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.

Best all-round monthJanuary

Typical daytime high31.3°C

Typical night-time low22.4°C

January rainfall21 mm

Overall comfort

January

Other strong months: February and March

63/100 weather score

Beach weather

February

Other strong months: January and March

90/100 weather score

Outdoor sightseeing

January

Other strong months: February and March

44/100 weather score

Make the answer personal

Choose the weather
that suits you.

Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.

Daytime high: at least 18°CDaytime high: at most 34°CMonthly rain: no more than 100 mmWet days: no more than 10

9 months fit your choices for Portmore

January31.3°C day · 21 mm rain · 2.7 wet days

February31.1°C day · 29 mm rain · 2.7 wet days

March31.2°C day · 40 mm rain · 3.4 wet days

April31.8°C day · 25 mm rain · 2.9 wet days

June33°C day · 65 mm rain · 4.1 wet days

July33.5°C day · 65 mm rain · 4.4 wet days

August33.5°C day · 90 mm rain · 6.4 wet days

November32.2°C day · 99 mm rain · 5.4 wet days

December31.7°C day · 45 mm rain · 3.9 wet days

October has the lowest comfort score at 28 out of 100, compared with January at 63. The main reason is that days average 32.6°C, 9° above the 24°C the score treats as ideal, and 184 mm of rain falls.

Quick answers

Planning a trip to Portmore?

These answers come from the same measured monthly climate record shown on this page.

When is the best time to visit Portmore?

January is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 31.3°C and 21 mm of rain.

What is the hottest month in Portmore?

July is hottest in this record, with a typical daytime high of 33.5°C and a night-time low of 25.6°C.

Which month has the least rain?

January has the lowest monthly rainfall total at 21 mm.

Is this a weather forecast?

No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.

Month by month

See how the weather
changes through the year.

The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.

6331.3° / 22.4°

6331.1° / 22.4°

6131.2° / 22.8°

5831.8° / 23.8°

3932.2° / 24.6°

4633° / 25.5°

4433.5° / 25.6°

3933.5° / 25.5°

3333.2° / 25.3°

2832.6° / 24.8°

4532.2° / 24°

5831.7° / 23.1°

Monthly climate evidence for Portmore — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 11 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	31.3°C	22.4°C	21 mm	2.7	27.3°C	11 h 09	63	Good coverage
February	31.1°C	22.4°C	29 mm	2.7	27.0°C	11 h 32	63	Good coverage
March	31.2°C	22.8°C	40 mm	3.4	27.1°C	11 h 59	61	Good coverage
April	31.8°C	23.8°C	25 mm	2.9	27.6°C	12 h 32	58	Good coverage
May	32.2°C	24.6°C	133 mm	6.2	28.1°C	12 h 58	39	Good coverage
June	33°C	25.5°C	65 mm	4.1	28.3°C	13 h 12	46	Good coverage
July	33.5°C	25.6°C	65 mm	4.4	28.6°C	13 h 06	44	Good coverage
August	33.5°C	25.5°C	90 mm	6.4	29.0°C	12 h 44	39	Good coverage
September	33.2°C	25.3°C	142 mm	6.8	29.4°C	12 h 13	33	Good coverage
October	32.6°C	24.8°C	184 mm	8.1	29.2°C	11 h 42	28	Good coverage
November	32.2°C	24°C	99 mm	5.4	28.7°C	11 h 16	45	Good coverage
December	31.7°C	23.1°C	45 mm	3.9	28.0°C	11 h 03	58	Good coverage

What has changed

Recent daytime highs are
0.5°C warmer in Portmore.

Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.

Jan

+0.7

Feb

+0.6

Mar

+0.5

Apr

+0.5

May

+0.3

Jun

+0.2

Jul

—

Aug

+0.5

Sep

+0.8

Oct

+0.4

Nov

+0.4

Dec

+0.5

January daytime highs, 2011–2025. Last recorded: 32.5°C.

Records at NORMAN MANLEY INTL, 1973–2025
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	35.1°C14 Jan 1998	17.8°C23 Jan 2023	51 mm31 Jan 1994	63 mm1994 · driest 0 mm in 2017	49
February	34.8°C25 Feb 2009	17.4°C8 Feb 2024	191 mm3 Feb 1979	191 mm1979 · driest 0 mm in 2012	51
March	35.1°C23 Mar 2007	18.0°C14 Mar 1974	180 mm1 Mar 1975	237 mm1994 · driest 0 mm in 1973	53
April	35.7°C25 Apr 1985	19.2°C18 Apr 2010	282 mm21 Apr 1982	340 mm1982 · driest 0 mm in 1973	50
May	35.0°C19 May 1998	20.0°C19 May 1979	239 mm24 May 2003	327 mm2003 · driest 0 mm in 2012	49
June	36.9°C1 Jun 1999	21.0°C13 Jun 1977	256 mm28 Jun 1985	312 mm2005 · driest 0 mm in 2015	50
July	37.1°C11 Jul 1992	20.6°C11 Jul 2013	303 mm8 Jul 2005	496 mm2005 · driest 0 mm in 1977	51
August	36.9°C4 Aug 2017	19.9°C2 Aug 1990	392 mm6 Aug 1980	587 mm1980 · driest 0 mm in 2002	51
September	35.8°C8 Sep 1987	20.0°C17 Sep 1975	396 mm12 Sep 2004	581 mm2002 · driest 1 mm in 2021	49
October	35.4°C3 Oct 2001	19.0°C24 Oct 1978	302 mm21 Oct 1993	678 mm2005 · driest 1 mm in 2012	51
November	37.1°C11 Nov 1997	19.0°C15 Nov 1976	392 mm24 Nov 1977	392 mm1977 · driest 0 mm in 2009	51
December	35.0°C14 Dec 1978	18.0°C26 Dec 1975	279 mm21 Dec 1980	281 mm1980 · driest 0 mm in 2022	49

Typical days per month at NORMAN MANLEY INTL, 1991–2020
Month	Days 25°C+	Days 30°C+	Heavy rain (10 mm+)
January	27	25	<1
February	24	22	<1
March	26	25	<1
April	26	26	<1
May	27	26	2
June	25	25	1
July	27	27	1
August	26	26	1
September	25	25	2
October	26	25	3
November	26	26	1
December	27	26	<1

How often different weather occurs at NORMAN MANLEY INTL, based on its daily record
Month	Dry days reaching 20°C	Wet days	Days with heavy rain	Weeks with 3+ wet days	Typical high by year
January	93%	8%	2%	<1%	30.3–32.1°C
February	90%	10%	2%	<1%	30.2–31.6°C
March	90%	10%	3%	6%	30.4–31.7°C
April	89%	10%	3%	5%	30.9–32.3°C
May	83%	18%	8%	16%	31.3–32.9°C
June	87%	15%	6%	18%	32.2–33.5°C
July	87%	13%	4%	11%	32.8–34.0°C
August	81%	20%	6%	20%	32.5–34.0°C
September	77%	23%	10%	29%	32.2–33.6°C
October	74%	26%	11%	33%	31.8–33.2°C
November	81%	20%	7%	18%	31.4–32.9°C
December	89%	12%	3%	10%	31.0–32.3°C

A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.

1980Each stripe is one year’s mean temperature against the 30-year average. Warmest: 2015. Coolest: 1985.2023

The evidence behind this page

Where these figures
come from.

Place identity: GeoNames 3488981
NOAA station: JMM00078397 · NORMAN MANLEY INTL
Station distance: 11.2 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 19 usable years
Daylight: Calculated from latitude 17.97°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 11 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
Then plan the details.

The weather comparison for Portmore is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

How travel partnerships will work

Keep exploring

Same climate evidence,
different places.

These places read the same station, so their climate numbers are identical. Their setting, population and distance from NORMAN MANLEY INTL are not.

KingstonKingstonJanuary is the strongest comfort month on this shared record · population 937,700Explore the year Saint Andrew ParishNew KingstonJanuary is the strongest comfort month on this shared record · population 583,958Explore the year Saint Catherine ParishSpanish TownJanuary is the strongest comfort month on this shared record · population 145,018Explore the year ClarendonMay PenJanuary is the strongest comfort month on this shared record · population 44,755Explore the year Saint Catherine ParishOld HarbourJanuary is the strongest comfort month on this shared record · population 26,024Explore the year Saint Catherine ParishLinsteadJanuary is the strongest comfort month on this shared record · population 20,660Explore the year

Or put two places side by side: Portmore vs Kingston

Best time to visitPortmore

January

February

January

Choose the weatherthat suits you.

Planning a trip to Portmore?

When is the best time to visit Portmore?

What is the hottest month in Portmore?

Which month has the least rain?

Is this a weather forecast?

See how the weatherchanges through the year.

Recent daytime highs are0.5°C warmer in Portmore.

Where these figurescome from.

Choose your month.Then plan the details.

Same climate evidence,different places.

Best time to visit
Portmore

Choose the weather
that suits you.

See how the weather
changes through the year.

Recent daytime highs are
0.5°C warmer in Portmore.

Where these figures
come from.

Choose your month.
Then plan the details.

Same climate evidence,
different places.