Climate and monthly weather forecastMejillones, Chile
Climate and monthly weather forecast
Weather in January
January is a moderately hot summer month in Mejillones, Chile, with an average temperature fluctuating between 18.4°C (65.1°F) and 23.2°C (73.8°F). With the advent of January, Mejillones experiences an average high-temperature of a moderately hot 23.2°C (73.8°F), mirroring a close resemblance to the previous month. Weather in January »Weather in February
February, the last month of the summer in Mejillones, is another warm month, with temperature in the range of an average low of 18.8°C (65.8°F) and an average high of 23.7°C (74.7°F). In Mejillones, February records the highest average temperatures, peaking at 23.7°C (74.7°F) and reaching a low of 18.8°C (65.8°F). Weather in February »Weather in March
March, the first month of the autumn in Mejillones, is still a warm month, with an average temperature fluctuating between 23°C (73.4°F) and 17.8°C (64°F). Mejillones records a slight change with March's average high-temperatures adjusting to a still moderately hot 23°C (73.4°F) from February's 23.7°C (74.7°F). Weather in March »Weather in April
April, the same as March, in Mejillones, Chile, is another pleasant autumn month, with an average temperature varying between 16.6°C (61.9°F) and 21.7°C (71.1°F). The commencement of April brings an average high-temperature of an agreeable 21.7°C (71.1°F), marking an inconsequential divergence from March. Weather in April »Weather in May
The last month of the autumn, May, is also an agreeable month in Mejillones, Chile, with an average temperature fluctuating between 14.8°C (58.6°F) and 20.8°C (69.4°F). May's advent denotes a minor fluctuation in the average high-temperature to a still agreeable 20.8°C (69.4°F) from April's 21.7°C (71.1°F). Weather in May »Weather in June
The first month of the winter, June, is still a comfortable month in Mejillones, Chile, with an average temperature fluctuating between 13.8°C (56.8°F) and 19.5°C (67.1°F). The advent of June reveals an average high-temperature of a comfortable 19.5°C (67.1°F), showing minimal difference from the prior month. Weather in June »Weather in July
July, like June, in Mejillones, Chile, is another refreshing winter month, with an average temperature varying between 18.3°C (64.9°F) and 12.7°C (54.9°F). Temperature records mark July as the coldest month, with highs averaging 18.3°C (64.9°F) and lows at 12.7°C (54.9°F). Weather in July »Weather in August
August, the last month of the winter in Mejillones, is another comfortable month, with an average temperature ranging between min 12.6°C (54.7°F) and max 18.5°C (65.3°F). The arrival of August brings an average high-temperature of a still comfortable 18.5°C (65.3°F), nearly identical to July's 18.3°C (64.9°F). Weather in August »Weather in September
The first month of the spring, September, is also an enjoyable month in Mejillones, Chile, with an average temperature ranging between max 18.7°C (65.7°F) and min 13°C (55.4°F). September brings a marginal elevation to a still enjoyable 18.7°C (65.7°F) from August's 18.5°C (65.3°F) in Mejillones's average high-temperatures. Weather in September »Weather in October
October, the same as September, is another enjoyable spring month in Mejillones, Chile, with temperature in the range of an average low of 14.1°C (57.4°F) and an average high of 19.3°C (66.7°F). October's presence marks an average high-temperature of a still comfortable 19.3°C (66.7°F), subtly varied from September's 18.7°C (65.7°F). Weather in October »Weather in November
The last month of the spring, November, is a pleasant month in Mejillones, Chile, with temperature in the range of an average high of 20.1°C (68.2°F) and an average low of 15.2°C (59.4°F). The average high-temperature is an agreeable 20.1°C (68.2°F) in November, hardly different from the 19.3°C (66.7°F) recorded in October. Weather in November »Weather in December
The first month of the summer, December, is still a pleasant month in Mejillones, Chile, with an average temperature ranging between max 21.2°C (70.2°F) and min 16.7°C (62.1°F). December's average high-temperature stands at a still pleasant 21.2°C (70.2°F), showing little deviation from November's 20.1°C (68.2°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mejillones, Chile
The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is July (18.3°C).
The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is August (12.6°C).
Average pressure
Mejillones, Chile
- Average pressure in January:
1012.5mbar - Average pressure in February:
1012mbar - Average pressure in March:
1012.5mbar - Average pressure in April:
1013.4mbar - Average pressure in May:
1014.5mbar - Average pressure in June:
1015.1mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1015.1mbar - Average pressure in September:
1014.9mbar - Average pressure in October:
1014.3mbar - Average pressure in November:
1013.5mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is February (1012mbar).
Average wind speed
Mejillones, Chile
- Average wind speed in January:
12.3km/h - Average wind speed in February:
12.1km/h - Average wind speed in March:
12.4km/h - Average wind speed in April:
11.9km/h - Average wind speed in May:
10.9km/h - Average wind speed in June:
10.9km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
11.4km/h - Average wind speed in September:
12.6km/h - Average wind speed in October:
12.7km/h - Average wind speed in November:
12.6km/h - Average wind speed in December:
12.8km/h
The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest months (with the lowest average wind speed) are May and June (10.9km/h).
Average humidity
Mejillones, Chile
The months with the highest relative humidity are February, March and April (75%).
The months with the lowest relative humidity are June and July (67%).
Average rainfall
Mejillones, Chile
The wettest months (with the highest rainfall) are June, July and August (1mm).
The driest months (with the least rainfall) are January, February, March, April, May, September, October, November and December (0mm).
Average rainfall days
Mejillones, Chile
- Average rainfall days in January:
0.7 days - Average rainfall days in February:
0.3 days - Average rainfall days in March:
1.2 days - Average rainfall days in April:
1.1 days - Average rainfall days in May:
0.4 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
1.6 days - Average rainfall days in August:
0.5 days - Average rainfall days in September:
0.4 days - Average rainfall days in October:
0.1 days - Average rainfall days in November:
0 days - Average rainfall days in December:
0.2 days
The month with the highest number of rainy days is July (1.6 days).
The month with the least rainy days is November (0 days).
Average daylight / Average sunshine
Mejillones, Chile
- Average daylight in January:
13h and 24min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
11h and 0min - Average daylight in June:
10h and 42min
- Average daylight in July:
10h and 54min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 12min - Average daylight in December:
13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in January:
9h and 54min - Average sunshine in February:
10h and 0min - Average sunshine in March:
9h and 54min - Average sunshine in April:
9h and 54min - Average sunshine in May:
9h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
10h and 0min - Average sunshine in October:
10h and 0min - Average sunshine in November:
10h and 0min - Average sunshine in December:
10h and 0min
The months with the most sunshine are February, September, October, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 9h and 48min).
Average sunshine days
Mejillones, Chile
- Average sunshine days in January:
30.4 days - Average sunshine days in February:
27.2 days - Average sunshine days in March:
30.8 days - Average sunshine days in April:
29.9 days - Average sunshine days in May:
30.6 days - Average sunshine days in June:
29.2 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
30.3 days - Average sunshine days in September:
29.9 days - Average sunshine days in October:
31 days - Average sunshine days in November:
30 days - Average sunshine days in December:
30.9 days
The month with the most sunshine days is October (31 days).
The month with the least sunshine days is February (27.2 days).
Average UV index
Mejillones, Chile
The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover
Mejillones, Chile
The month with the most cloud cover is February (Cloud cover 11).
The month with the least cloud cover is September (Cloud cover 2).
Average visibility
Mejillones, Chile
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





