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What is the warmest place on the Martian surface? What temperatures are seen there? (day, night, seasons, etc.)

I am asking about weather; not anything out of the ordinary such as a volcano.

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  • $\begingroup$ Equatorial summers can be even +15C. $\endgroup$ – peterh Feb 4 '18 at 7:46
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This is a bit tricky to answer, as we don't have perfect global weather from Mars. But as can be seen from the images at this site, it will be a low lying area near the the equator. If I had to venture, I would say the sourthern part of Syrtis Major, but I haven't seen a high enough detailed graph to definitively answer this question.

enter image description here

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  • $\begingroup$ On that site, where the image above comes from, it is mentioned that 'Lowland climates are characterized by frequent fog, having a brighter average albedo'.Doesn't that mean that a low lying area like Valles Marineres will be colder than the surrounding area ? $\endgroup$ – Conelisinspace Feb 17 '18 at 17:25
  • $\begingroup$ Just more moisture. $\endgroup$ – PearsonArtPhoto Feb 17 '18 at 19:10
  • $\begingroup$ Cannot the question be answered because there are no local data from orbiters around Mars ? $\endgroup$ – Conelisinspace Feb 20 '18 at 9:16
  • $\begingroup$ @Conelisinspace They provide maps like the ones I showed. From the maps, what would you say the warmest place is? $\endgroup$ – PearsonArtPhoto Feb 20 '18 at 10:47
  • $\begingroup$ Yes, the low albedo tropical of Syrtis Major ! But i'm curious about specific places like the inside of minor craters. , so to say a little more detailed information. $\endgroup$ – Conelisinspace Feb 20 '18 at 13:42
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Depends upon the time of day. Highest temperature ever measured is at the summit of Arsia Mons, about 305 Kelvin (89 F), but it drops below 150 K (-190F) every night.

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What is the warmest place on Mars during the night ?

Probably Badwater crater in the Hellas basin.

With an altitude of -8180 meter, it is in the lowest region within the lower latitudes of Mars.
So it has the highest concentration of CO2 and thus the warmth of the Sun during the day, will be kept there the best at night ?

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  • $\begingroup$ But Hella's Basin isn't in the equatorial region-- there are equator-based craters that are relatively the same depth. I don't think it'd be heated up as much as a location like Syrtis. $\endgroup$ – Magic Octopus Urn Aug 8 '18 at 13:53
  • $\begingroup$ @MagicOctopusUrn Yes, at daytime Syrtis will be heated up more, but since it's elevation is about +2000 meters, at night it will cool down extremely and probably more than in Badwater crater.Of course, i can't prove this ! I don't think you can find equator-based craters that have altitudes of minus 8000 meters. $\endgroup$ – Conelisinspace Aug 8 '18 at 14:28
  • $\begingroup$ @MagicOctopusUrn On the whole, i agree that craters like Mojave and Gale are among the best places on Mars to be ! $\endgroup$ – Conelisinspace Aug 8 '18 at 16:23

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