Puerto Rico · 1991–2020

Best time to visit
Rio Cristal

For Rio Cristal, February has the most comfortable weather in our climate comparison. Typical daytime highs are 29.3°C, nights average 19.6°C, and rainfall totals about 74 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.

Best all-round monthFebruary

Typical daytime high29.3°C

Typical night-time low19.6°C

February rainfall74 mm

Overall comfort

February

Other strong months: March and January

62/100 weather score

Beach weather

February

Other strong months: March and January

81/100 weather score

Outdoor sightseeing

February

Other strong months: March and January

40/100 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 32°CMonthly rain: no more than 100 mmWet days: no more than 10

1 month fits your choices for Rio Cristal

February29.3°C day · 74 mm rain · 10 wet days

The lowest comfort score is 24 out of 100. August and September share that score. In August, that is mainly because days average 32.4°C, 8° above the 24°C the score treats as ideal, and 208 mm of rain falls.

Quick answers

Planning a trip to Rio Cristal?

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

When is the best time to visit Rio Cristal?

February is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 29.3°C and 74 mm of rain.

What is the hottest month in Rio Cristal?

September is hottest in this record, with a typical daytime high of 32.6°C and a night-time low of 23°C.

Which month has the least rain?

February has the lowest monthly rainfall total at 74 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.

5329° / 19.8°

6229.3° / 19.6°

5629.8° / 19.8°

4830.6° / 20.6°

3331.2° / 22°

4332.2° / 22.9°

2732.2° / 23.1°

2432.4° / 23.1°

2432.6° / 23°

2832° / 22.8°

3330.6° / 21.7°

4829.4° / 20.5°

Monthly climate evidence for Rio Cristal — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 33 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	29°C	19.8°C	121 mm	13.9	26.5°C	11 h 08	53	Strong coverage
February	29.3°C	19.6°C	74 mm	10	26.1°C	11 h 31	62	Strong coverage
March	29.8°C	19.8°C	104 mm	9.8	26.1°C	11 h 59	56	Strong coverage
April	30.6°C	20.6°C	134 mm	10.3	26.6°C	12 h 32	48	Strong coverage
May	31.2°C	22°C	188 mm	12.6	27.2°C	12 h 59	33	Strong coverage
June	32.2°C	22.9°C	105 mm	9.6	27.9°C	13 h 13	43	Strong coverage
July	32.2°C	23.1°C	190 mm	13.9	28.2°C	13 h 08	27	Strong coverage
August	32.4°C	23.1°C	208 mm	14	28.6°C	12 h 45	24	Strong coverage
September	32.6°C	23°C	208 mm	13.2	28.9°C	12 h 13	24	Strong coverage
October	32°C	22.8°C	189 mm	13.9	28.9°C	11 h 42	28	Strong coverage
November	30.6°C	21.7°C	186 mm	15.9	28.3°C	11 h 15	33	Strong coverage
December	29.4°C	20.5°C	134 mm	15.1	27.3°C	11 h 02	48	Strong coverage

What has changed

Recent daytime highs are
0.3°C warmer in Rio Cristal.

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

+0.1

Feb

+0.1

Mar

-0.2

Apr

+0.2

May

+0.1

Jun

+0.6

Jul

+0.5

Aug

+0.5

Sep

+0.9

Oct

+0.7

Nov

+0.2

Dec

+0.4

February daytime highs, 2011–2025. Last recorded: 29.1°C.

Records at TRUJILLO ALTO 2 SSW, 1957–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	35.6°C26 Jan 2001	12.8°C30 Jan 1988	102 mm6 Jan 1992	256 mm1969 · driest 25 mm in 1983	56
February	35.0°C23 Feb 1957	12.8°C9 Feb 2010	168 mm15 Feb 1979	333 mm2022 · driest 0 mm in 1960	59
March	35.0°C26 Mar 1970	11.1°C20 Mar 2004	114 mm5 Mar 2009	289 mm2020 · driest 3 mm in 2005	55
April	36.7°C29 Apr 1993	11.1°C20 Apr 2001	157 mm28 Apr 2005	416 mm2002 · driest 10 mm in 1997	56
May	37.2°C15 May 2012	12.2°C1 May 2009	154 mm3 May 1959	540 mm2011 · driest 14 mm in 1994	57
June	39.4°C8 Jun 1988	16.7°C10 Jun 2017	241 mm17 Jun 1970	555 mm1970 · driest 0 mm in 2026	57
July	36.1°C12 Jul 2009	16.1°C13 Jul 2010	214 mm31 Jul 2020	462 mm2020 · driest 35 mm in 2015	59
August	35.0°C31 Aug 1990	15.6°C8 Aug 2010	285 mm24 Aug 2011	623 mm2011 · driest 54 mm in 2004	58
September	38.9°C22 Sep 1998	15.6°C12 Sep 1982	250 mm11 Sep 1996	686 mm2022 · driest 28 mm in 2012	54
October	36.1°C13 Oct 1992	15.0°C7 Oct 2010	182 mm2 Oct 2005	502 mm1970 · driest 28 mm in 2025	55
November	38.3°C27 Nov 1995	13.9°C8 Nov 1990	229 mm8 Nov 2001	531 mm1970 · driest 35 mm in 2025	54
December	36.1°C16 Dec 1986	11.7°C3 Dec 2010	119 mm12 Dec 2007	422 mm1970 · driest 24 mm in 1997	52

Typical days per month at TRUJILLO ALTO 2 SSW, 1991–2020
Month	Days 25°C+	Days 30°C+	Heavy rain (10 mm+)
January	29	9	4
February	27	12	2
March	29	16	3
April	29	21	4
May	30	24	5
June	29	28	3
July	30	28	5
August	30	28	5
September	29	28	5
October	30	28	5
November	28	21	6
December	30	14	4

How often different weather occurs at TRUJILLO ALTO 2 SSW, 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	57%	42%	11%	58%	27.9–29.8°C
February	66%	34%	8%	41%	28.1–30.1°C
March	69%	30%	9%	36%	28.5–30.7°C
April	66%	33%	13%	44%	29.6–31.3°C
May	61%	39%	17%	49%	30.1–32.3°C
June	69%	32%	11%	38%	30.6–33.0°C
July	57%	43%	15%	62%	31.1–32.7°C
August	55%	44%	18%	65%	31.3–32.8°C
September	54%	46%	19%	66%	31.3–33.4°C
October	56%	44%	18%	62%	30.8–32.5°C
November	49%	50%	19%	64%	29.7–31.3°C
December	50%	48%	13%	65%	28.1–30.2°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.

1975Each stripe is one year’s mean temperature against the 31-year average. Warmest: 2024. Coolest: 1976.2025

The evidence behind this page

Where these figures
come from.

Place identity: GeoNames 4049900
NOAA station: RQC00669521 · TRUJILLO ALTO 2 SSW
Station distance: 3.1 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 25 usable years
Daylight: Calculated from latitude 18.35°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 33 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 Rio Cristal 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 TRUJILLO ALTO 2 SSW are not.

Trujillo AltoTrujillo AltoFebruary is the strongest comfort month on this shared record · population 75,243Explore the year Trujillo AltoAltavillaFebruary is the strongest comfort month on this shared record · population 0Explore the year Trujillo AltoAlturas de FairviewFebruary is the strongest comfort month on this shared record · population 0Explore the year GuraboAntillanaFebruary is the strongest comfort month on this shared record · population 0Explore the year Aguas BuenasBarriada San NicholasFebruary is the strongest comfort month on this shared record · population 0Explore the year Aguas BuenasBosque de RioFebruary is the strongest comfort month on this shared record · population 0Explore the year

Or put two places side by side: Rio Cristal vs Trujillo Alto

Best time to visitRio Cristal

February

February

February

Choose the weatherthat suits you.

Planning a trip to Rio Cristal?

When is the best time to visit Rio Cristal?

What is the hottest month in Rio Cristal?

Which month has the least rain?

Is this a weather forecast?

See how the weatherchanges through the year.

Recent daytime highs are0.3°C warmer in Rio Cristal.

Where these figurescome from.

Choose your month.Then plan the details.

Same climate evidence,different places.

Best time to visit
Rio Cristal

Choose the weather
that suits you.

See how the weather
changes through the year.

Recent daytime highs are
0.3°C warmer in Rio Cristal.

Where these figures
come from.

Choose your month.
Then plan the details.

Same climate evidence,
different places.