Climate and monthly weather forecastTrelew, Argentina
Climate and monthly weather forecast
The climate of Trelew
Trelew, Argentina, a location nestled within the mid-latitude steppe, primarily experiences a BSk Köppen climate classification. This specific kind of climate refers to an area with cold, dry winters and hot, slightly wetter summers. Throughout the year, temperatures in Trelew fluctuate between 4.9°C (40.8°F) and 27°C (80.6°F), though rainfall remains minimal, peaking at a moderate 16mm (0.63") during March and June.Through the lens of climate data, considerable variation is visible across different weather elements. Humidity levels oscillate from 36% to 58% across the year. In terms of daylight, the city experiences an average span ranging from 9 hours in June to a lengthy 15.3 hours observed in December. Interestingly, snowfall is documented only during July and August, though it remains incredibly light and infrequent.
Certain months clearly stand apart in terms of weather trends observed in Trelew. January and December experience the highest temperatures, while July bears witness to the lowest. Rainfall is notably at its peak in March and June, while the driest months remain January and December.
The best time to visit Trelew
The following Trelew’s weather patterns, the most appropriate times to arrange a visit fall between November and February. Average temperatures during these months remain comfortably warm, ranging from 22.5°C (72.5°F) to 27°C (80.6°F). Along with the pleasing climate, these months are blessed with long hours of sunshine, offering between 11 to 12.4 hours daily. Moreover, there is lesser rainfall during this period, offering ideal conditions to explore and appreciate the city’s offerings.The worst time to visit Trelew
On the contrary, visiting Trelew between June and August might not offer the most pleasant experience. The average temperature during these months can drop to a chilly 10.9°C (51.6°F) to 13.4°C (56.1°F). Additionally, while snowfall is minimal and rare, these are the months where it may occur. Furthermore, daylight duration is comparatively shorter, reaching its lowest value in June with just 9 hours. These conditions combined make these months less suitable for travel and outdoor activities.Spring weather in Trelew
From September to November, Trelew welcomes Spring with average temperatures ranging from 15.5°C (59.9°F) to 22.5°C (72.5°F). The city also experiences relatively less rainfall during this period with average monthly rainfall figures around 5mm (0.2") to 6mm (0.24"). Sunshine is also gradually increasing, offering 8.7 to 11 hours per day, conducive for outdoor exploration and activities.Summer weather in Trelew
Summers in Trelew, occurring from December to February, showcase a warm climate with the mercury hitting an average high between 23.4°C (74.1°F) to 27°C (80.6°F). Notably, December experiences the longest daylight duration in the year, reaching up to 15.3 hours. Despite this, rainfall remains minimal and humidity levels hover around 36% to 44%, providing a generally dry and comfortable setting.Autumn weather in Trelew
With average temperatures dropping from 19.3°C (66.7°F) to 15.8°C (60.4°F), Autumn in Trelew spans from March to May. Rainfall is also observed to increase during these months, hitting a peak at 16mm (0.63") in March. Despite this, daylight duration remains above 9.7 hours throughout and temperatures stay comfortably cool, providing enjoyable conditions overall.Winter weather in Trelew
In contrast to the other seasons, the Winter months of June to August in Trelew are marked by cold temperatures ranging from 10.9°C (51.6°F) to 13.4°C (56.1°F). Despite this, rainfall measures at its lowest during these months, and snowfall, whilst possible, is extremely light and infrequent. Hence, while the temperatures could be a little harsh, winter conditions remain relatively dry and the potential for snow adds a unique charm to the city's landscape.Weather in January
January ushers in the peak of summer in Trelew, Argentina with highs hitting up to 27°C (80.6°F). The pleasant warmth is perfect for outdoor activities within the city. Compared to the subsequent month of February, January experiences a stronger gust of wind reaching up to 33.6km/h (20.9mph). Weather in January »Weather in February
In February, the weather in Trelew begins to transition from the sultry summer highs. The temperature declines slightly compared to January implying the impending arrival of autumn. Wind speeds in February are slightly lower than those experienced in the preceding month. Weather in February »Weather in March
By March, the city of Trelew leaves the summer heat behind, with lower temperatures than witnessed in February. The weather during this month experiences a significant elevation in rainfall quantities, making it the wettest month of the year. Weather in March »Weather in April
When it comes to weather in April, Trelew experiences further cooling down compared to the month of March. The drop in temperatures implies the consolidating grip of autumn. Though April experiences less rainfall than March, the increase in relative humidity and cloud coverage suggests a more prominent presence of moisture in the atmosphere. Weather in April »Weather in May
By May, autumn is well established in Trelew. Month's weather witnesses further fall in temperatures from those recorded in April. Correspondingly, daylight hours also decrease, reflecting the shorter days characteristic of the season. Weather in May »Weather in June
In June, the weather in Trelew commences the winter transition with temperatures decreasing further from May levels. Interestingly, despite the winter onset, June does not mark the coldest month of the year. The increased relative humidity in the city throughout the month supports an atmospheric density. Weather in June »Weather in July
July is the heart of winter in Trelew. Experiencing the lowest temperatures of the entire year with a cool 4.9°C (40.8°F) being the minimum average. This month also witnesses an increase in the duration of daylight hours, indicating a gradual shift towards spring. Weather in July »Weather in August
In Trelew, August marks the departure from winter and onset of spring. There is a slight increase in average temperatures from those seen in July. The increment in warmth corresponds with an increase in daylight hours, reflective of longer spring days. Weather in August »Weather in September
By the time September arrives in Trelew, spring is in full swing. The temperatures rise further than those observed in August. The city also experiences a decrease in humidity, signifying drier conditions compared to the previous month. Weather in September »Weather in October
In October, the weather in Trelew embarks upon the transition from spring to summer. The temperatures continue to soar, culminating in warmer days. The city sees an upswing in sunshine hours offering abundant light. Simultaneously, rainfall levels for the month of October are moderately high. Weather in October »Weather in November
November weather in Trelew brings summer much closer, with temperatures rising again. The days become slightly longer, fostering maximum sunshine duration. The lower rainfall aligns with lesser cloudy days compared to October. As summer fast approaches, the wind speed in November increases slightly, adding a pleasant breeze to the warming days. Weather in November »Weather in December
December in Trelew officially marks the return of summer. The temperatures rise to match those seen during January. This month offers a blend of sunny days coupled with moderately low rainfall quantities. The wind in December matches the speed observed in the previous month, only slightly higher. Weather in December »Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Trelew's warmest month, January, generally records average temperatures ranging from a high of 27°C (80.6°F) to a low of 17.1°C (62.8°F).
The months with the lowest humidity in Trelew, Argentina, are January and December, with an average relative humidity of 36%.
In Trelew, during the entire year, the rain falls for 64.5 days and collects up to 108mm (4.25") of precipitation.
In Trelew, snow does not fall in January through June, September through December.
In Trelew, during the entire year, snow aggregates up to 2mm (0.08").
The months with the highest UV index are January, February and December, with an average maximum UV index of 6.
The wettest months are March and June, with an average 16mm (0.63") of rainfall.
The months with the lowest UV index in Trelew, Argentina, are May through August, with an average maximum UV index of 3.
With an average of 9h and 0min of daylight, June has the shortest days of the year in Trelew, Argentina.
June has the least sunshine of the year in Trelew, with an average of 6.5h of sunshine.
July proves to be the coldest month, recording an average maximum temperature of 10.9°C (51.6°F) and a minimum temperature of 4.9°C (40.8°F).
With an average relative humidity of 58%, July is the most humid month.
Months with snowfall in Trelew are July and August.
The months with the most snowfall are July and August, with an average 1mm (0.04") of accumulated snow.
The month with the least rainfall is November, when the rain falls for 4.5 days and typically collects 5mm (0.2") of precipitation.
December has the longest days of the year in Trelew, Argentina, with an average of 15h and 18min of daylight.
Trelew, Argentina, does not utilize Daylight Saving Time (DST). -03 timezone is used over the entire year.
The month with the most sunshine in Trelew, Argentina, is December, with an average of 12.4h of sunshine.
Average temperature
Trelew, Argentina
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (10.9°C).
The month with the highest average low temperature is January (17.1°C).
The coldest month (with the lowest average low temperature) is July (4.9°C).
Average pressure
Trelew, Argentina
- Average pressure in January:
1008.8mbar - Average pressure in February:
1010mbar - Average pressure in March:
1011.6mbar - Average pressure in April:
1013.1mbar - Average pressure in May:
1013.2mbar - Average pressure in June:
1011.7mbar
- Average pressure in July:
1014.1mbar - Average pressure in August:
1013.3mbar - Average pressure in September:
1015.1mbar - Average pressure in October:
1012.9mbar - Average pressure in November:
1010mbar - Average pressure in December:
1008mbar
The month with the highest atmospheric pressure is September (1015.1mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed
Trelew, Argentina
- Average wind speed in January:
23.9km/h - Average wind speed in February:
22.6km/h - Average wind speed in March:
22km/h - Average wind speed in April:
21km/h - Average wind speed in May:
20.7km/h - Average wind speed in June:
23.1km/h
- Average wind speed in July:
22.1km/h - Average wind speed in August:
23.5km/h - Average wind speed in September:
22.4km/h - Average wind speed in October:
22.6km/h - Average wind speed in November:
24km/h - Average wind speed in December:
24.1km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is May (20.7km/h).
Average humidity
Trelew, Argentina
The month with the highest relative humidity is July (58%).
The months with the lowest relative humidity are January and December (36%).
Average rainfall
Trelew, Argentina
The wettest months (with the highest rainfall) are March and June (16mm).
The driest month (with the least rainfall) is November (5mm).
Average rainfall days
Trelew, Argentina
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
5.5 days - Average rainfall days in May:
4.9 days - Average rainfall days in June:
6.4 days
- Average rainfall days in July:
7.5 days - Average rainfall days in August:
5.8 days - Average rainfall days in September:
5 days - Average rainfall days in October:
5.3 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is July (7.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Trelew, Argentina
The months with the highest snowfall are July and August (1mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).
Average snowfall days
Trelew, Argentina
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0.3 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The months with the highest number of snowfall days are July and August (0.3 days).
The months with the least snowfall days are January, February, March, April, May, September, October, November and December (0 days).
Average daylight / Average sunshine
Trelew, Argentina
- Average daylight in January:
14h and 54min - Average daylight in February:
13h and 48min - Average daylight in March:
12h and 24min - Average daylight in April:
10h and 54min - Average daylight in May:
9h and 36min - Average daylight in June:
9h and 0min
- Average daylight in July:
9h and 18min - Average daylight in August:
10h and 24min - Average daylight in September:
11h and 48min - Average daylight in October:
13h and 18min - Average daylight in November:
14h and 36min - Average daylight in December:
15h and 18min
The month with the longest days is December (Average daylight: 15h and 18min).
The month with the shortest days is June (Average daylight: 9h and 0min).
- Average sunshine in January:
11h and 42min - Average sunshine in February:
9h and 18min - Average sunshine in March:
9h and 12min - Average sunshine in April:
9h and 6min - Average sunshine in May:
8h and 0min - Average sunshine in June:
6h and 30min
- Average sunshine in July:
7h and 48min - Average sunshine in August:
8h and 36min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 48min - Average sunshine in November:
11h and 0min - Average sunshine in December:
12h and 24min
The month with the most sunshine is December (Average sunshine: 12h and 24min).
The month with the least sunshine is June (Average sunshine: 6h and 30min).
Average sunshine days
Trelew, Argentina
- Average sunshine days in January:
25.5 days - Average sunshine days in February:
23.1 days - Average sunshine days in March:
22.7 days - Average sunshine days in April:
23.7 days - Average sunshine days in May:
24.6 days - Average sunshine days in June:
21.3 days
- Average sunshine days in July:
22.4 days - Average sunshine days in August:
23.5 days - Average sunshine days in September:
23.1 days - Average sunshine days in October:
24.4 days - Average sunshine days in November:
24.2 days - Average sunshine days in December:
24.9 days
The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is June (21.3 days).
Average UV index
Trelew, Argentina
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 3).
Average cloud cover
Trelew, Argentina
The month with the most cloud cover is July (Cloud cover 29).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility
Trelew, Argentina
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).
