January weather forecastTomatlán, Mexico

January

Weather in January

January, the same as December, is another warm winter month in Tomatlán, Mexico, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 18.7°C (65.7°F).

Temperature

January and December represent the coldest period, with an average high-temperature of 29.3°C (84.7°F).

Heat index

The heat index value during January is appraised at a tropical 32°C (89.6°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In January, the average relative humidity in Tomatlán is 60%.

Rainfall

In January, in Tomatlán, the rain falls for 2.6 days. Throughout January, 8mm (0.31") of precipitation is accumulated. Throughout the year, in Tomatlán, Mexico, there are 112.5 rainfall days, and 565mm (22.24") of precipitation is accumulated.

Daylight

The average length of the day in January is 11h and 5min.
On the first day of the month, sunrise is at 7:35 am and sunset at 6:33 pm. On the last day of January, sunrise is at 7:36 am and sunset at 6:52 pm CST.

Sunshine

The months with the most sunshine in Tomatlán, Mexico, are January, March through May, with an average of 9.8h of sunshine.

UV index

The months with the lowest UV index in Tomatlán are January through March, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 6 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

In Tomatlán, Mexico, the coldest period comes during January and December, when the average high-temperature touches 29.3°C (84.7°F).

January temperatures in Tomatlán, Mexico, vary between a high-temperature of 29.3°C (84.7°F) and a low-temperature of 18.7°C (65.7°F). In January, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 32°C (89.6°F).

In Tomatlán, Mexico, the average relative humidity in January is 60%.

In Tomatlán, Mexico, in January, during 2.6 rainfall days, 8mm (0.31") of precipitation is typically accumulated.

In January, the average day length is 11h and 5min.

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 6:33 pm. On the last day of the month, in Tomatlán, sunrise is at 7:36 am and sunset at 6:52 pm CST.

January, March through May, with an average of 9.8h of sunshine, are months with the most sunshine in Tomatlán.

In Tomatlán, Mexico, the average sunshine duration in January is 9.8h.

January through March, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Tomatlán.

In January, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Tomatlán, Mexico

  • Average high temperature in January: 29.3°C

The warmest months (with the highest average high temperature) are May and July (32.4°C).
The months with the lowest average high temperature are January and December (29.3°C).

  • Average low temperature in January: 18.7°C

The month with the highest average low temperature is July (23.5°C).
The coldest month (with the lowest average low temperature) is February (18.3°C).

Average pressure in January
Tomatlán, Mexico

  • Average pressure in January: 1014.2mbar

The month with the highest atmospheric pressure is January (1014.2mbar).
The month with the lowest atmospheric pressure is September (1010.6mbar).

Average wind speed in January
Tomatlán, Mexico

  • Average wind speed in January: 7.2km/h

The windiest month (with the highest average wind speed) is April (7.6km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).

Average humidity in January
Tomatlán, Mexico

  • Average humidity in January: 60%

The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are March and April (57%).

Average rainfall in January
Tomatlán, Mexico

  • Average rainfall in January: 8mm

The wettest month (with the highest rainfall) is September (186mm).
The driest month (with the least rainfall) is April (0mm).

Average rainfall days in January
Tomatlán, Mexico

  • Average rainfall days in January: 2.6 days

The month with the highest number of rainy days is August (22.8 days).
The month with the least rainy days is March (1.2 days).

Average daylight in January /
Average sunshine in January
Tomatlán, Mexico

  • Average daylight in January: 11h and 6min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in January: 9h and 48min

The months with the most sunshine are January, March, April and May (Average sunshine: 9h and 48min).
The month with the least sunshine is September (Average sunshine: 8h and 54min).

Average sunshine days in January
Tomatlán, Mexico

  • Average sunshine days in January: 27.6 days

The month with the most sunshine days is March (30.2 days).
The month with the least sunshine days is September (6 days).

Average UV index in January
Tomatlán, Mexico

  • Average UV index in January: 6

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).

Average cloud cover in January
Tomatlán, Mexico

  • Average cloud cover in January: 11

The months with the most cloud cover are August and September (Cloud cover 33).
The month with the least cloud cover is March (Cloud cover 8).

Average visibility in January
Tomatlán, Mexico

  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).