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Old 08-31-2019, 04:29 PM
80 posts, read 15,456 times
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There are many places that have never recorded a temperature below freezing. But are there climates that can get very close to freezing--but have never actually hit the freezing mark?

Not really sure how to word this question but...for a climate that has NEVER recorded a temperature below freezing, what is the lowest average low in the coldest month?

For example the all time record low in Hanoi is 37F (above freezing), and the average low in the coldest month is 58F.

P.S. The climate data should be over a fairly long period, so the record temps are reliable. Thanks!
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Old 08-31-2019, 04:51 PM
Location: Seattle Area
795 posts, read 169,983 times
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La Serena, Chile has 7.6C in July and has a record low of 0.0C recorded in March and July. 8 months have recorded at or below 1.0C though so I wouldn't call it a frost-free climate, but rather one where subfreezing temperatures haven't been recorded yet.


I also considered places in the Andes with Pasto, Colombia at 9.3C in September and hyperoceanic islands with le Amsterdam at 9.2C in August, but both are warmer than La Serena by a fair margin.


If someone beats La Serena, I'd be interested to know.
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Old 08-31-2019, 11:22 PM
Location: Norman, OK
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This is only a 20 year period, but the Newcastle University Station in New South Wales has an average low of 7.3C in July and a record low of 1.0C.
The Belair station in Adelaide is even more impressive, with an average low of 7.0C in July and a record low of 0.5C.
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Old Yesterday, 05:03 PM
Location: Salt Lake City, Utah, USA
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It's not entirely frost-free, but frost is very rare.

5.9C average low in July (Kelburn), 6.7 at the airport. Record lows for these stations are -0.1 and -1.1 respectively.

The differences are probably elevation-related. The mountain geography around the city is oddly reminiscent of San Francisco.
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Old Today, 11:59 AM
Location: St Paul's Bay, Malta
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Frost has never been recorded in Malta, the record low at Luqa Airport is 1.4C. The average minimum for the coldest month, February, is 9.4C (1981-2010) & the average absolute minimum temperature (using 1947-2010 data) is 4.8C.
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Old Today, 11:00 PM
Location: Christchurch, New Zealand
99 posts, read 62,787 times
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Harare, Zimbabwe has a record low of 0.1C (interesting enough, recorded in each of June, July and August). Its average low in July is 6.5C.

As a subtropical highland climate, however, its days tend to be pretty warm year round. (September in Harare looks like just about the ideal "summer" weather to me).
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