Mexico · 1991–2020

Best time to visit
Llanos de la Unión

For Llanos de la Unión, October has the most comfortable weather in our climate comparison. Typical daytime highs are 25.3°C, nights average 11.1°C, and rainfall totals about 32 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.

Best all-round monthOctober

Typical daytime high25.3°C

Typical night-time low11.1°C

October rainfall32 mm

Overall comfort

October

Other strong months: March and September

88/100 weather score

Outdoor sightseeing

December

Other strong months: January and February

91/100 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 28°CMonthly rain: no more than 100 mmWet days: no more than 10

8 months fit your choices for Llanos de la Unión

January20.2°C day · 13 mm rain · 2 wet days

February22.1°C day · 10 mm rain · 1.6 wet days

March24.9°C day · 11 mm rain · 1.7 wet days

April27.9°C day · 9 mm rain · 1.4 wet days

September26.3°C day · 52 mm rain · 5.9 wet days

October25.3°C day · 32 mm rain · 3.7 wet days

November22.9°C day · 11 mm rain · 2.1 wet days

December20.4°C day · 8 mm rain · 1.6 wet days

January has the lowest comfort score at 69 out of 100, compared with October at 88. The main reason is that nights drop to 4.7°C, and days reach only 20.2°C, 4° below the 24°C the score treats as ideal.

Quick answers

Planning a trip to Llanos de la Unión?

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

When is the best time to visit Llanos de la Unión?

October is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 25.3°C and 32 mm of rain.

What is the hottest month in Llanos de la Unión?

June is hottest in this record, with a typical daytime high of 30.3°C and a night-time low of 16.2°C.

Which month has the least rain?

December has the lowest monthly rainfall total at 8 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.

6920.2° / 4.7°

7722.1° / 5.9°

8624.9° / 8.6°

8227.9° / 12.1°

8030° / 14.8°

7430.3° / 16.2°

7229.2° / 16.4°

7728.8° / 15.7°

8526.3° / 13.6°

8825.3° / 11.1°

8322.9° / 7.7°

7120.4° / 5.4°

Monthly climate evidence for Llanos de la Unión — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	20.2°C	4.7°C	13 mm	2	10 h 43	69	Good coverage
February	22.1°C	5.9°C	10 mm	1.6	11 h 16	77	Good coverage
March	24.9°C	8.6°C	11 mm	1.7	11 h 56	86	Good coverage
April	27.9°C	12.1°C	9 mm	1.4	12 h 43	82	Good coverage
May	30°C	14.8°C	25 mm	3.4	13 h 22	80	Good coverage
June	30.3°C	16.2°C	44 mm	4.9	13 h 43	74	Good coverage
July	29.2°C	16.4°C	69 mm	6.8	13 h 35	72	Good coverage
August	28.8°C	15.7°C	51 mm	6.8	13 h 01	77	Good coverage
September	26.3°C	13.6°C	52 mm	5.9	12 h 16	85	Good coverage
October	25.3°C	11.1°C	32 mm	3.7	11 h 31	88	Good coverage
November	22.9°C	7.7°C	11 mm	2.1	10 h 52	83	Good coverage
December	20.4°C	5.4°C	8 mm	1.6	10 h 34	71	Good coverage

Records at SALTILLO (DGE), 1948–2011
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	36.1°C12 Jan 1957	-12.8°C30 Jan 1949	32 mm8 Jan 1960	108 mm1992 · driest 0 mm in 1998	62
February	35.0°C18 Feb 2011	-13.3°C4 Feb 2011	35 mm25 Feb 1987	66 mm1959 · driest 0 mm in 2006	62
March	36.1°C31 Mar 1968	-6.1°C4 Mar 1965	55 mm12 Mar 1950	79 mm1950 · driest 0 mm in 1964	62
April	38.9°C23 Apr 1970	0.0°C9 Apr 1973	28 mm28 Apr 1986	62 mm1981 · driest 0 mm in 1975	62
May	40.0°C30 May 2011	0.6°C1 May 1997	48 mm16 May 1959	119 mm1959 · driest 0 mm in 1989	63
June	40.0°C22 Jun 1969	6.1°C10 Jun 1991	70 mm2 Jun 1952	188 mm1952 · driest 0 mm in 1974	64
July	39.4°C25 Jul 1948	3.9°C5 Jul 2000	98 mm20 Jul 2005	184 mm2005 · driest 5 mm in 1979	63
August	36.7°C20 Aug 1956	7.8°C29 Aug 1988	105 mm25 Aug 1972	238 mm1972 · driest 6 mm in 1950	62
September	38.3°C20 Sep 1950	2.2°C28 Sep 1989	160 mm16 Sep 1988	219 mm1967 · driest 1 mm in 1952	62
October	36.7°C17 Oct 1984	-3.3°C10 Oct 2000	45 mm8 Oct 1982	113 mm1958 · driest 0 mm in 1952	61
November	34.4°C1 Nov 1960	-5.0°C29 Nov 1976	42 mm16 Nov 1976	87 mm1976 · driest 0 mm in 1977	62
December	30.6°C13 Dec 1978	-11.1°C24 Dec 1983	50 mm26 Dec 1978	60 mm1989 · driest 0 mm in 2005	62

Typical days per month at SALTILLO (DGE), 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	7	<1	5	<1
February	10	2	3	<1
March	17	5	1	<1
April	22	12	0	<1
May	28	17	0	<1
June	28	19	0	2
July	28	15	0	2
August	29	14	0	1
September	21	6	0	2
October	19	4	<1	1
November	12	2	1	<1
December	7	<1	3	<1

How often different weather occurs at SALTILLO (DGE), 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%	7%	1%	6%	16.6–22.6°C
February	65%	6%	1%	3%	19.0–24.3°C
March	82%	5%	<1%	2%	22.7–26.6°C
April	89%	7%	1%	5%	25.4–30.1°C
May	86%	13%	3%	10%	27.8–31.8°C
June	83%	17%	5%	17%	28.5–32.0°C
July	78%	22%	6%	22%	27.1–31.5°C
August	77%	23%	5%	25%	27.4–30.8°C
September	76%	21%	6%	21%	24.4–28.5°C
October	81%	12%	3%	11%	23.1–26.9°C
November	72%	6%	<1%	4%	20.2–25.0°C
December	59%	7%	<1%	4%	17.6–23.1°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.

1951Each stripe is one year’s mean temperature against the 57-year average. Warmest: 2011. Coolest: 1988.2011

The evidence behind this page

Where these figures
come from.

Place identity: GeoNames 8779444
NOAA station: MXN00005048 · SALTILLO (DGE)
Station distance: 12.9 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 16 usable years
Daylight: Calculated from latitude 25.40°, mid-month, sunrise to sunset including refraction. Not a station measurement.
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 Llanos de la Unión 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 SALTILLO (DGE) are not.

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Or put two places side by side: Llanos de la Unión vs Saltillo