Climate and monthly weather forecastWestlawn, IN
Climate and monthly weather forecast
The climate of Westlawn
Situated in the heart of the American Midwest, Westlawn, Indiana is characterized by a Dfa Köppen climate classification, also known as a humid continental climate showcasing a hot summer and no dry season. Shared by a substantial portion of the mid-latitudes of the northern hemisphere, this classification results from its geographical position.Throughout the year, Westlawn experiences variations in climate parameters. High temperature ranges between 30.9°F (-0.6°C) in January and 81.1°F (27.3°C) in July while low temperature fluctuates from a chilly 19.4°F (-7°C) in January to a more comfortable 64°F (17.8°C) in July. The humidity stays relatively high throughout the year, with the peak reaching up to 83% in January, February and December.
A look at the rainfall pattern reveals that the area receives quite evenly distributed precipitation, varying from 0.79" (20mm) in February to 1.89" (48mm) in May. The number of rainfall days is also intriguing, as it reaches its zenith at 15.5 days in May.
Snow in Westlawn is typical for the winter months, with January measuring at 1.3" (33mm) and December at 0.87" (22mm). The unique aspects of this climate include a robust visibility of 6 miles throughout the year and the pressure maintains a narrow range from 29.93 in to 30.11 in.
The best time to visit Westlawn
Optimally, the best time to visit Westlawn would be from late spring to early summer. During these months the weather hovers between a high of 58.3°F (14.6°C) in April to a peak of 81.1°F (27.3°C) in July. The summer period is associated with the highest humidity level, but it also is the brightest season with up to 10 hours of sunshine per day in July. The daylight lasts between 13.3 hours in April and peaks at 15.1 hours in June. Overall, this period of the year provides pleasant weather conditions suitable for outdoor activities.The worst time to visit Westlawn
The winter period from December to February may challenge the comfort of visitors, featuring low temperatures ranging from 19.4°F (-7°C) to 22.5°F (-5.3°C) and high temperatures only reaching from 30.9°F (-0.6°C) to 34.7°F (1.5°C). The winter months also record the highest snowfall - particularly in January with 1.3" (33mm). Limited daylight during winter, with only 9.3 hours in December and 9.6 hours in January, combined with cold temperatures make this period less suitable for visitors.Spring weather in Westlawn
Spring in Westlawn heralds the end of the frigid winter temperatures. As the season progresses from March till May, the high temperature rises from 46.4°F (8°C) to 70.5°F (21.4°C), and the low temperature also increases from 31.8°F (-0.1°C) to 53.2°F (11.8°C). This surge in temperature is accompanied by an increase in rainfall, peaking at 1.89" (48mm) in May. The changes in weather parameters also include an extension in daylight hours from 12 hours in March to 14.5 hours in May.Summer weather in Westlawn
During the summer months (June, July, and August), Westlawn experiences the warmest weather of the year. The temperature peaks in July, boasting a high of 81.1°F (27.3°C) and a low of 64°F (17.8°C). Although the rainfall levels drop compared to the spring months, the humidity stays fairly high. The daylight reaches its peak in June with 15.1 hours, making for long, sunny days with up to 10 hours of sunshine in July.Autumn weather in Westlawn
In autumn (September to November), the climate in Westlawn starts to cool down. The high temperature decreases gradually from 73.9°F (23.3°C) in September to 47.5°F (8.6°C) in November. The low temperature also drops from 55.8°F (13.2°C) to 34.7°F (1.5°C) in the same period. The rainfall decreases from 1.1" (28mm) in September to 0.98" (25mm) in November, and the daylight hours shorten from 12.5 hours in September to 9.9 hours in November.Winter weather in Westlawn
Winters in Westlawn (December to February) can be quite chilly with high temperatures dropping from 36.5°F (2.5°C) in December to 30.9°F (-0.6°C) in January, and low temperatures fluctuating between 27°F (-2.8°C) in December and 19.4°F (-7°C) in January. December and January also see the highest snowfall levels, with 0.87" (22mm) and 1.3" (33mm) respectively. The shorter daylight hours, ranging from 9.3 hours in December to 9.6 hours in January, underscore the arrival of winter.Weather in January
January in Westlawn, Indiana, presents with it a rather chilly weather, given its position as the first month of the year. This period distinguishes itself as a winter month, with the day's average high temperature peeking at 30.9°F (-0.6°C) and dipping to as low as 19.4°F (-7°C). Weather in January »Weather in February
The cold spell introduced in January continues in February, albeit with a slightly warmer climate. Westlawn, Indiana in February sees an interesting blend of winter's tail end, coupled with occasional hints of spring. Although the cold winter weather slightly tapers off, the winter elements remain present. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Westlawn, Indiana, with an average temperature ranging between min 31.8°F (-0.1°C) and max 46.4°F (8°C). March sees a temperature increase, moving from a wintry 34.7°F (1.5°C) in February to a frosty 46.4°F (8°C). Weather in March »Weather in April
April in Westlawn, Indiana is a month that is much warmer and wetter than its predecessor March. The transition from winter to spring is fully realized, presenting a significant change in the weather pattern. Less snow is experienced during this month, signaling a departure from the winter season. Weather in April »Weather in May
May in Westlawn, Indiana, serves as a proper introduction to summer with significant rises in temperature. The consistent increase in temperature, coupled with the relative humidity at 77%, highlights a change in seasons. The warmer weather invites residents to undertake more outdoor activities. Weather in May »Weather in June
June ushers in the fullness of summer in Westlawn, Indiana, registering the longest daylight hours of the year. This period brings about longer, brighter, and warmer days. Sunscreen is a must-have as the UV index reaches 6, indicating a higher level of UV radiation. Weather in June »Weather in July
Westlawn, Indiana, experiences the peak of summer in July, with temperatures reaching a high of 81.1°F (27.3°C). Casual attire and air conditioning become necessities for many residents during this month. Unsurprisingly, the city's parks and recreational spots often bustle with activity as residents seek to make the most of the summer weather. Weather in July »Weather in August
August continues the warmth of summer in Westlawn, Indiana, yet it does indicate a slight taming of July's peak temperature. These subtropical conditions endure throughout the month, marking a blend of long sunny days and balmy nights. Weather in August »Weather in September
September in Westlawn, Indiana, marks the transition from summer to autumn. The month stands out with a noticeable decrease in temperature and a decreasing humidity level of 79%. Although remnants of hot summer days still linger, the arrival of cooler nights signals the encroaching change of seasons. Weather in September »Weather in October
October in Westlawn, Indiana, welcomes the full onset of fall, with significant reductions in temperature. The wearing of layers becomes a common trend among the residents as they respond to the cooler weather. The transformation of foliage into a mirage of red, orange, and yellow hints at the progression of fall. Weather in October »Weather in November
November in Westlawn, Indiana, initiates the transition into winter, dramatically shedding the last vestiges of the autumn warmth. The decreasing temperatures necessitate the wearing of heavier clothing, from knitted sweaters to thermal jackets. Weather in November »Weather in December
Come December, Westlawn, Indiana, embraces winter with the average high temperature dropping to 36.5°F (2.5°C). As the coldest month, more than warm coats and gloves become necessary to combat the chill. The festive atmosphere of the holiday season, though, seems to blend perfectly with the crisp weather, providing a picture-perfect backdrop for the twinkling Christmas lights. Weather in December »Updated: Jul 6, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Westlawn, January is known for its average lowest temperatures, reaching a high of 30.9°F (-0.6°C) and a low of 19.4°F (-7°C).
The months with the highest humidity in Westlawn are January, February and December, with an average relative humidity of 83%.
In Westlawn, during the entire year, the rain falls for 128.5 days and collects up to 15" (381mm) of precipitation.
Months with snowfall are January through April, October through December.
In Westlawn, during the entire year, snow falls for 32.5 days and aggregates up to 6.42" (163mm) of snow.
January has the least sunshine of the year, with an average of 3.3h of sunshine.
February is the month with the least rainfall. Rain falls for 5.6 days and accumulates 0.79" (20mm) of precipitation.
February is the month with the most snowfall. Snow falls for 7.4 days and accumulates 2.05" (52mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The month with the most rainfall is May, when the rain falls for 15.5 days and typically aggregates up to 1.89" (48mm) of precipitation.
May through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 6min of daylight.
June is the month with the highest UV index, with an average maximum UV index of 6.
In Westlawn, the peak temperatures are generally noted in July, averaging a high of 81.1°F (27.3°C) and a low of 64°F (17.8°C).
July has the most sunshine of the year in Westlawn, with an average of 10h of sunshine.
With an average relative humidity of 74%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Westlawn, IN
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure
Westlawn, IN
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Westlawn, IN
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.1mph - Average wind speed in September:
7mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Westlawn, IN
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Westlawn, IN
- Average rainfall in January:
0.91" - Average rainfall in February:
0.79" - Average rainfall in March:
1.3" - Average rainfall in April:
1.81" - Average rainfall in May:
1.89" - Average rainfall in June:
1.77"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days
Westlawn, IN
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
8 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.4 days).
Average snowfall
Westlawn, IN
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Westlawn, IN
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
7.4 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
6.8 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Westlawn, IN
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 36min - Average sunshine in April:
6h and 42min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 24min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
Westlawn, IN
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14.6 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (12.5 days).
Average UV index
Westlawn, IN
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Westlawn, IN
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Westlawn, IN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
